A person weighs 60 kg. The area under the foot of the person is 150 cm2. Find the pressure exerted on the ground by the person. (Take g 10m/s2)

Answers

Answer 1

Answer:

40000 N/m²

Explanation:

Applying,

P =  F/A................... Equation 1

Where P = Pressure, F = Force, A = Area.

From the question,

The force(F) exerted by the person's foot is thesame as it's weight.

F = W = mg............ Equation 2

Where m = mass of the person, g = acceleration due to gravity.

Substitute equation 2 into equation 1

P = mg/A................ Equation 3

Given: m = 60 kg, g = 10 m/s², A = 150 cm² = (150/10000) m² = 0.015 m²

Substitute these values into equation 3

P = (60×10)/0.015

P = 600/0.015

P = 40000 N/m²


Related Questions

Dad, if you are seeing this, then I have run away. Angie has been torturing me ever since you started dating her, and I have had enough of it. I have been trying to tell you, but you would never listen. Goodbye, and Angie, if you are seeing this, I posted this on here, so you will not be able to delete anything. Have a nice life

Answers

Answer:

hey are you ok!?!?!?!

Explanation:

Is Angie your Dad new gf or wife???

Answer:

:(

Explanation:

u ok?

running away from problems only makes things worse. Your teaching urself to run. but I dont blame u

anyway hope u find what ur looking for out there!!

The length of an aluminium rod is 1m and the speed of sound along the rod is 5000 m per second .Find the values of f1 ad f2

Answers

Answer:

i. 2.5 kHz ii. 5 kHz

Explanation:

The frequency of the wave in the rod is given by f = nv/2L where n = harmonic, v = speed of sound in rod = 5000 m/s and L = length of rod = 1 m

i. f1

For f1, n = 1

f1 = 1 × v/2L

= v/2L

Substituting the values of the variables into the equation, we have

= 5000 m/s ÷ (2 × 1 m)

= 5000 m/s ÷ 2 m

= 2500 /s

= 2500 Hz

= 2.5 kHz

ii. f2

For f2, n = 2

f2 = 2 × v/2L

= v/L

Substituting the values of the variables into the equation, we have

= 5000 m/s ÷ 1 m  

= 5000 /s

= 5000 Hz

= 5 kHz

The wind blows a leaf at 37.9 m/s for 118 s left. How are does the leaf go in that period of time.

A) 3.11 m, left
B) 4470 m, left
C) 80.1 m, left
D) 0.321 m, left

Answers

Explanation:

distance = velocity * time

d = 37.9 * 118

distance = 4472.2

Describe how a wind turbine generates energy.

Answers

The wind Wind turbines work on a simple principle: instead of using electricity to make wind—like a fan—wind turbines use wind to make electricity. Wind turns the propeller-like blades of a turbine around a rotor, which spins a generator, which creates electricity.

You can do only number 1 only

Answers

For 1000 seconds , a current of 0.1 A flows so as to transfer charge of 100C

After rearranging the formula Q = It, to find for time, the new formula would be:
t = Q / I
From question:
Q = 100C
I = 0.1A

Therefore, time, t = 100 / 0.1 = 1000 s

According to Archimedes' principle, when will an object float in water?
A. When its volume is less than the volume of water it displaces
B. When its weight is equal to the buoyant force exerted by the water
C. When its density is greater than the density of water
D. When its weight is greater than the weight of water it displaces

Answers

C. When it’s density is greater than the density of water.

Answer:

Its B

Explanation:

a p e x

Which best describes the energy of a sound wave as it travels through a medium? It increases. It decreases. It remains the same. It depends on the medium.

Answers

Answer:

It depends on the medium

Explanation:

2021 edge

The energy of a sound wave decreases as it travels through a medium to another medium. Thus, the correct option is D.

What is a Sound wave?

A sound wave is the pattern of disturbance which is caused by the energy which is travelling away from the source of the sound in that medium. Sound waves are the longitudinal waves. This means that the propagation of these vibration of particles is parallel to the energy which this wave propagation direction has. When the atoms in the medium are set in vibration then they move back and forth in a direction. This continuous to occur in back and forth motion resulting in a high-pressure and a low-pressure region in the medium and thus propagating sound.

Sound wave is the physical vibration wave which travel through the air to reach the ears of organisms. Sound energy is the result when force makes an object to vibrate. A wave can lose energy as it travels through a medium because the medium can also absorb the energy from the wave. The medium changes some of the acoustic energy of the sound wave into heat energy.

Therefore, the correct option is D.

Learn more about Sound wave here:

https://brainly.com/question/21995826

#SPJ2

Can someone help me :)

Answers

Answer:

undergone a chemical change

Explanation:

Answer:

undergone a chemical change

Croquet balls must have a mass of 0.50 kg. A red croquet ball is moving at 5 m/s. It strikes an at-rest green croquet ball head-on and then continues to move in the same direction, but with a speed of 2 m/s. What is the final speed of the green ball?

A.
5 m/s

B.
0.5 m/s

C.
2 m/s

D.
3 m/s

Answers

Answer:

Explanation:

The Law of Momentum Conservation for us has the equation

[tex][m_rv_r+m_gv_g]_b=[m_rv_r+m_gv_g]_a[/tex] and filling in:

[tex][(.50)(5.0)+(.50)(0)]=[(.50)(2.0)+(.50)v_g][/tex] and

2.5 = 1.0 + .50v and

1.5 = .50v so

v = 3 m/s

The final speed of the green ball is 3m/s. This can be calculated by the law of conservation of momentum. Thus, the correct option is D.

What is the law of Conservation of Momentum?

The principle of the law of conservation of momentum states that if any two objects undergo collision, then the total momentum of the objects before and after the collision will be the same if there is no external force acting on the colliding objects.

The Law of Conservation of Momentum has the equation which is:

m₁ × u₁ + m₂ × u₂ = m₁ × v₁ + m₂ × v₂

where, m₁ = mass of object 1,

u₁ = initial velocity of object 1 before collision,

m₂ = mass of object 2,

v₁ = final velocity of object 1 after collision,

v₂ = final velocity of the object 2 after collision.

0.50 × 5 + 0.50 × 0 = 0.50 × 2 + 0.50 × v₂

2.5 + 0 = 1.0 + 0.50 × v₂

2.5 - 1.0 = 0.50 × v₂

1.5 = 0.50 × v₂

1.5/ 0.5 = v₂

v₂ = 3m/s

Therefore, the correct option is D.

Learn more about Momentum here:

https://brainly.com/question/24030570

#SPJ2

Which force determines if an object is going to move or stay at rest?
a. Friction Force
b. Normal Force
c. Applied Force
d. Net Force

Answers

Answer:

a

Explanation:

because it's need someone moving it so it can move somewhere else

50N force accelerated a body at a rateof 8 metres per second square. Calculate the mass of the body​

Answers

Answer:

m=6.25kg

Explanation:

Force= mass × acceleration

50=m×8

make m subject of the formula...

m=50/8

m=6.25kg

Answer:

[tex]\boxed {\boxed {\sf 6.25 \ kilograms}}[/tex]

Explanation:

According to Newton's Second Law of Motion, force is the product of mass and acceleration.

[tex]F= m \times a[/tex]

We know the force is 50 Newtons and the acceleration is 8 meters per second squared. Let's convert the units to make the problem and unit cancellation easier.

1 Newton is equal to 1 kilogram meter per square second (1 kg*m/s²), so the force of 50 N is equal to 50 kg*m/s².

Now we know 2 values:

F= 50 kg*m/s²a= 8 m/s²

Substitute the values into the formula.

[tex]50 \ kg *m/s^2= m \times 8 \ m/s^2[/tex]

Since we are solving for the mass, we must isolate the variable, m. It is being multiplied by 8 meters per square second and the inverse of multiplication is division. Divide both sides by 8 m/s².

[tex]\frac {50 \ kg *m/s^2}{8 \ m/s^2}= \frac{m \times 8 \ m/s^2}{8 \ m/s^2}[/tex]

[tex]\frac {50 \ kg *m/s^2}{8 \ m/s^2}= m[/tex]

The units of meters per square second (m/s²) cancel.

[tex]\frac {50 \ kg }{8 }=m[/tex]

[tex]6.25 \ kg =m[/tex]

The mass is 6.25 kilograms.

Please help me :))

Which golf ball would hit the surface with the greatest impact: a ball that fell one meter above the surface of the Earth or a ball that fell one meter above the surface of the Moon?

Answers

Answer:

the one above the surface of earth

Explanation:

earth has gravity the ball of the moon would float away

What is the frequency of a wave that passes a given point 412 times in 4.0
seconds?
O A. 0.0097 s
OB. 103 Hz
O C. 408 S
O D. 1650 Hz
SUBMIT

Answers

Answer: A.0,0097s

Mas a unidade aí deveria ser Hertz (Hz)

Explanation:

Answer:

103 hz

Explanation:

Mrs. Botts applies brakes on a car help it to decelerate at the rate of -0.80m/s2. What distance is required to stop the car when it is moving 17 m/s.

Answers

Answer:

Explanation:

vf=0

vi = 17

a = -0.8

Δx = ?

vf^2 = vi^2 + 2 a Δx

Δx = (vf^2 - vi^2) / 2a

Δx = (0-17^2) / 2 (-0.8)

Δx = 180.625 m

hey everyone


what is optics??​

Answers

Explanation:

Optics is a branch of physics that is the study of light and vision. ... The branch of physics dealing with the nature and properties of electromagnetic energy in the light spectrum and the phenomena of vision. In the broadest sense, optics deals with infrared light, visible light, and ultraviolet light.

The diameter of a copper wire is thought to be approximately 0.3mm. Which instrument should be used to obtain a more accurate measurement of the diameter of the wire? A measuring tape B metre rule C micrometer D ruler 2

Answers

Answer:

C

Explanation:

The correct answer should be the micrometer.

The micrometer is an instrument that is capable of measuring the component of an object to very high precision. It is used to obtain accurate measurements in engineering.

In the case of the copper wire, the diameter of 0.3 mm was an approximation and a more accurate measure of the diameter would be obtained by using the micrometer.

The correct option is C.

When do we say that work is done?​

Answers

Answer:

Work is said to be done when a force applied to an object moves that object. We can calculate work by multiplying the force by the movement of the object.

Answer:

Work is done by a force on an object if (i) a force acts on the object and (ii) the object is displaced from its original position

the gravity on mars is 3.8 m/s2 and you weigh 200 N. your mass will be??

Answers

Answer:

Mass = 52.63 kilograms

Explanation:

Given the following data;

Acceleration due to gravity = 3.8 m/s²

Weight = 200 N

To find mass;

Mathematically, the weight of a physical object is given by the formula;

Weight = mass * acceleration due to gravity

Substituting into the formula, we have;

200 = mass * 3.8

Mass = 200/3.8

Mass = 52.63 kg

when two capacitors are connected in series, the effective capacitance is 2.4muF and when connected in parallel, the effective capacitance is 10muF. calculate the individual capacitances.​

Answers

Answer:

let one capacitor be x and other be y

[tex]in \: parallel \: connection : \\ \frac{x + y}{xy} = 10 \times {10}^{ - 6} - - - (a) \\ in \: series \: connection : \\ x + y = 2.4 \times {10}^{ - 6} - - - (b) \\ in \: (a) : \\ \frac{2.4 \times {10}^{ - 6} }{xy} = 10 \times {10}^{ - 6} \\ xy = 0.24 - - - (c) \\ from \: (b) : \\ y = (2.4 \times {10}^{ - 6} ) - x \\ \therefore \: in \: (c) : \\ x(2.4 \times {10}^{ - 6} - x) = 0.24 \\ 2.4 \times {10}^{ - 6} x - {x}^{2} = 0.24 \\ {x}^{2} - 2.4 \times {10}^{ - 6} x - 0.24 = 0 \\ x = 0.5 \\ 0.5y = 0.24 \\ y = 0.48 \\ { \boxed{ C _{1} = 0.5 \: farads}} \\ { \boxed{C _{2} = 0.48 \: farads}}[/tex]

as light passes from water into air it has a refracted angle of 35 degrees. calculate the incident angle of the light.

Answers

I think it’s 44 but I’m not sure

Some people can roll the tongue into a tube shape, while others cannot. Practicing is not likely to help because tongue-rolling is an inherited trait. The allele for rolling the tongue (R) is dominant to the allele for not being able to roll the tongue (r). Look at the Punnett square. It shows a cross between two parents with at least one R allele. Drag each option to its spot to correctly finish the Punnett square.

Answers

Hope this helps you.


If you want to decrease the current created by a generator what can you do?

Answers

Answer:

To decrease the current;

1) Use fewer loops or number of turns

2) Use a lower speed of rotation of the coil in the magnetic field

3) Use a weaker magnetic

Explanation:

According to Faraday's Law of induction, which is the basis of the electromagnetism, electromagnetic induction and therefore the basis of the  electric generator, can be written as follows;

[tex]\epsilon = -N \cdot \dfrac{\Delta \phi}{\Delta t}[/tex]

Where;

ε = The induced voltage

N = The number of turns (loops)

ΔФ = The change in the magnetic flux

Δt = The change in the time (the duration)

Given that voltage is directly related to the current, decreasing the voltage, decreases the current

To decrease the voltage, and therefore, the current we can;

1) Reduce the number of loops in the coil

2) Increase the time change per unit change in flux by slowing down the speed of rotation of the generator

3) Decrease the amount of change in the magnetic field per turn, by using a weaker magnetic

can someone please help me with this question... thank u ❤️​

Answers

Answer:

Which of the following... : constant velocity horizontal motion

A ball is thrown at certain... : 0 m/s

Do only number 3 and thank

Answers

Charge = 0.2 Ah is the correct answer...

The two waves shown here are the same distance from point X and are traveling toward each other.

An illustration with a crest 2.0 centimeters high traveling to the right and a second 2.0 centimeters trough traveling toward the left toward point X in the material.
What is the amplitude of the resulting wave when the two waves meet at point X?

0.0 cm
1.0 cm
2.0 cm
4.0 cm

Answers

Answer:

(C) on edge.

Explanation:

Answer:

2.0

Explanation:

trust the process.

What is a sound wave?

Answers

A sound wave is the pattern of disturbance caused by the movement of energy traveling through a medium (such as air, water, or any other liquid or solid matter) as it propagates away from the source of the sound. The source is some object that causes a vibration, such as a ringing telephone, or a person's vocal chords.

Explique cómo es que las estrellas emiten una radiación, específicamente qué es lo que sucede a nivel atómico

Answers

Answer:

Las estrellas se forman debido a la unión de pequeños elementos y partículas como el hidrógeno y el helio que experimentan una fusión nuclear en el núcleo debido a la intensa presión para formar un nuevo átomo (como dos hidrógeno que se combinan para formar un átomo de helio) que es un proceso. que requiere una gran cantidad de energía para comenzar, por lo que cada reacción de fusión produce una gran cantidad de energía que puede mantener la reacción y equilibra la fuerza gravitacional que atrae las masas de las partículas hacia el centro de la estrella

A medida que la energía de la estrella se irradia, la superficie de la estrella cede la energía en forma de calor y luz de manera que debido a la alta temperatura de las partículas de los átomos de los elementos se mueven muy rápida y energéticamente para emitir fotones rápidamente. (alta frecuencia) que se ve como el alto brillo de la estrella

Explanation:

Alexis is a scientist who is studying solid-state physics. Which activity would she most likely do as a part of this research? O identifying the optimal vessel for containing carbon dioxide O studying the atomic structure of solid carbon dioxide O determining the effect of pressure on the volume of carbon dioxide O observing the natural state of carbon dioxide​

Answers

Answer:

pretty sure its studying the atomic structure of a solid carbon dioxide. so c

Explanation:

Answer:

B. Studying the atomic structure of solid carbon dioxide

Explanation:

This is known as crystallography, the study of the arrangement of atoms in a solid, and it is a popular branch of solid-state physics.

Hope this helps :)

Using a 100 year time frame,what is the CO2e of 1 tonne of CO2,2 tonne or methane,and 3 tonnes of nitrous oxide

Answers

Well, let's see what we've got here:

                    ( 4⁻³ · 3⁴ · 4² )  /  ( 3⁵ · 4⁻² ) .

The two simple rules of exponents that we're

going to use here are:

-- Two multiply two numbers with the same base,

add their exponents.    Like   (A³) · (A²) = A⁵ .

But the bases have to be the same.

-- A negative power just means it belongs in the

other section of a fraction.

  A negative power on top means it belongs on the bottom.

  A negative power on the bottom means it belongs on top.

  Like    A⁻²  means  1/A² .  And  1/B⁻³  means  B³ .

That's all you need in order to clean up the big fraction

in the question.  But in order to see where you can use

these rules, you need to re-arrange things first.

Original:                          ( 4⁻³ · 3⁴ · 4² )  /  ( 3⁵ · 4⁻² )

Let's send the  4⁻³

to the bottom

where it belongs:              (   --  3⁴ · 4² )  /  4³ · ( 3⁵ · 4⁻² )

Not take that  4⁻² from

the bottom, and put it on

top, where it belongs:       (  4² · 3⁴ · 4² )  /  4³ · ( 3⁵    -- )

Multiply the 4²s on top:     (  4⁴ · 3⁴       )  /  ( 4³ · 3⁵ )

Now let me break this up.

Not changing anything, just

writing it in a different way:      ( 4⁴  /  4³ ) · ( 3⁴ / 3⁵ )

Look at the first fraction:  4⁴ / 4³ .

Divide top and bottom by  4³ , and it becomes just  4 .

Now look at the second fraction:  3⁴ / 3⁵ .

Divide top and bottom by  3⁴ , and it becomes just  1/3 .

So in the end, we're left with just      4 / 3 .

And THAT is exactly equal to the original big messy fraction

in the question.  It has exactly the same numerical value, but

you'd never know it when you see it, because it's a lot simpler.

There are a lot of other ways we could have manipulated and

massaged the original fraction, but the steps are the same:

-- Multiply numbers with the same base, by adding the exponents.

-- Remember that a number with a negative exponent belongs

in the other section of the fraction, with a positive exponent.

CAN SOMEONE PLS HELP ME ILL GIVE YOU BRAINLIEST!!!!

A 7000 N braking force is used to slow a car down. The car was traveling at 25 m/s before the
brakes were applied and was traveling at 5 m/s after 6 seconds. What is the mass of the car? (ANS:
2100 kg)

Answers

Answer:

the answer is already there lol

Explanation:

Answer:

answer is there you can see from there lol

Explanation:

Other Questions
Suppose that you are able to sequence a portion of Dr. Ogden's genome. The DNA sequence below is a stretch of one of the genes. TAC CGT ATA AAA AAT TAA CTT AGA CGT GCT CTT TCT CTT CGA GAA GAC ATA TTA CTT CGT TGA ATCGiven the DNA sequence above type the mRNA processed transcript (assume that TCT CTT CGA GAA GAC ATA is an intron). If X = 4 units, Y = 10 units, and h = 9 units, what is the area of the trapezoid shown above? How would u word hateful but use a different word then hateful A positively charged plastic ruler is brought close to a piece paper resting on the desk. The piece of paper was initially neutral. When the ruler was brought closer, the paper is attracted to the ruler. The surface of the paper became charged through:_________ Mr. Blasts classes are studying different forms of energy and how energy travels through a medium. They learn that sound waves transfer energy through a material. Which of these materials could sound waves travel through? Choose the three that apply. arock bouter space cair dwater Using the following transactions, record journal entries, create financial statements, and assess the impact of each transaction on the financial statements.Jun. 1 Jenna Aracel, the owner, invested $100,000 cash, office equipment with a value of $5,000, and $60,000 of drafting equipment to launch the company in exchange for common stock.Jun. 2 The company purchased land worth $49,000 for an office by paying $6,300 cash and signing a long-term note payable for $42,700.Jun. 3 The company purchased a portable building with $55,000 cash and moved it onto the land acquired on June 2.Jun. 4 The company paid $3,000 cash for the premium on an 18-month insurance policy.Jun. 5 The company completed and delivered a set of plans for a client and collected $6,200 cash.Jun. 6 The company purchased $20,000 of additional drafting equipment by paying $9,500 cash and signing a long-term note payable for $10,500.Jun. 7 The company completed $14,000 of engineering services for a client. This amount is to be received in 30 days.Jun. 8 The company purchased $1,150 of additional office equipment on credit.Jun. 9 The company completed engineering services for $22,000 on credit.Jun. 10 The company received a bill for rent of equipment that was used on a recently completed job. The $1,333 rent cost must be paid within 30 days.Jun. 12 The company collected $7,000 cash in partial payment from the client billed on June 9.Jun. 14 The company paid $1,200 cash for wages to a drafting assistant.Jun. 17 The company paid $1,150 cash to settle the account payable created in on June 8.Jun. 20 The company paid $925 cash for minor maintenance of its drafting equipment.Jun. 23 The company paid $9,480 cash in dividends.Jun. 28 The company paid $1,200 cash for wages to a drafting assistant.Jun. 29 The company paid $2,500 cash for advertisements on the web during June.Required:Journalize the above entires. A glass is 1/3 full then 40cm3 of orange juice is poured in the glass is now 5/7 full what is the total volume of the glass If c is the number of cats, which variable expression represents the phrasebelow?The sum of the number of cats and 15 dogsA. c15B. C+15C. C-15D.C/15 Sketch the area under the standard normal curve over the indicated interval and find the specified area. a. The area to the right of z = 0b. The area to the left of z = 0c. The area to the left of z = 1.35d.The area to the left of z = 0.48 Why the method of control described made is possible for Hitler and the Nazi Party to gain, consolidate, and/or maintain power in Germany Segundo Mendona et al . (2016, p. 680), o profissionalismo surgiu como uma competncia essencial para os profissionais da rea da sade no mundo. Ele se [...] reflete nas atitudes, comportamentos, carter e padres de prtica adequados, personificados por meio da familiaridade com os cdigos de tica [...], por exemplo. um ideal dos profissionais cujo compromisso o alcance de nveis de cuidados em sade de qualidade. MENDONA, E. T. et al . Avaliao do profissionalismo em estudantes da rea da sade: uma reviso sistemtica. Interface - Comunicao, Sade, Educao , Botucatu, v. 20, n. 58, p. 679-690, 2016. Disponvel em: https://www.scielo.br/pdf/icse/v20n58/1807-5762-icse-1807-576220150274.pdf. Acesso em: 2 jul. 2020. Sobre o significado de profissionalismo, assinale a alternativa correta. A definio de profissionalismo abrange todo profissional que, independentemente de suas condutas imorais, obedece ao cdigo de tica deontolgica. O bom profissional sinnimo de profissionalismo, ou seja, apenas deve conhecer e seguir o cdigo de tica deontolgica de sua profisso e aplic-lo na rotina de trabalho. O profissionalismo significa seguir o cdigo de tica deontolgica de sua profisso e aplic-lo na rotina de trabalho, ainda que o profissional possua comportamentos inadequados. O profissionalismo o nvel de competncia suficiente para uma boa atuao profissional, com condutas cercadas de respeito e bom senso, por meio de indivduos treinados para a realizao de um bom trabalho A definio de profissionalismo limitada ao indivduo com boas condutas morais, que se aperfeioa em sua profisso, e, independentemente de condutas imorais, segue ao mximo o cdigo de tica deontolgica. The table shows the completion times of four Horses in a race.HorsesTime (Seconds)Horse-31512Horse-415.4Horse-2154Horse-115.8Which list shows the Horses in order by their completion times from fastest to slowest?A. Horse-1, Horse-3, Horse-2, Horse-4B.Horse-4, Horse-3, Horse-2, Horse-1C. Horse-4, Horse-2, Horse-3, Horse-1D. Horse-1, Horse-2, Horse-3, Horse-4 Explain how geographic factors impacted the early river valley civilization. Why do identical twins separated at birth show DIFFERENCES as seen in the pictures?A. Their DNA changed because of the different environments they lived in.B. Different genes were turned on or off because of he different environments they lived in. How did the Fugitive Slave Act change in 1850? If variances are recorded in the accounts at the time the manufacturing costs are incurred, what does a debit balance in Direct Materials Price Variance represent? please help! (listing BRAINLIST and giving points) :D What is stimulated by high extracellular fluid volume (ECFV) and works to increase GFR and urine output? if the orginal quantity is 15 and the new quantity is 19 estimate the percent change of which of these is the best esitmate for the percet change A. 25% DECREASEB. 5% DECREASEC 25% INCREASED 5% INCREASE which material has more specific heat?