plz answer please please plz

Plz Answer Please Please Plz

Answers

Answer 1

Answer:

Here,

density (d) = 1000 kg/m^3

gravity (g) = 10 m/ s^2

height (h) = 2m

Now,

liquid pressure = hdg

=2 x 1000 x 10

=20000 N/m^2

Thus, the liquid pressure is 20000 N/m^2


Related Questions

help me please i dont understand

Answers

Answer:

0.58

Explanation:

Sinẞ = opposite ÷ hypotenuse

Sinẞ = 5 ÷ 8.6

Sinẞ = 0.5814

Sinẞ ≈ 0.58

Answer:    0.58

Explanation:

hope this helps

Fun Fact: Peanuts aren’t technically nuts

Help me with this quesiton

Answers

it takes him 1.2 hrs

what is the relationship between the variables on this graph? The temperature does not have an effect on flow time. As the temperature increases, the flow time increases. As the temperature increases, the flow time decreases.

Answers

Answer: As the temperature increases, the flow time increases.

Explanation: i took the test

The relationship between the variables on this graph is that As the temperature increases, the flow time increases, therefore the correct answer is option B.

What is the kelvin scale of temperature?

It is a scale of temperature used to measure the temperature, the kelvin scale of temperature is also known as the absolute scale of temperature.

The Standard International unit of thermodynamic temperature is the kelvin, often known less frequently as the degree Kelvin. The formal definition of one kelvin is 1/273.16  of the thermodynamic temperature of pure water's triple point.

As shown in the graph as the temperature increase across the X axis the flow time is increasing as well, these two variables are directly proportional to each other.

Thus, The graph shows a link between the variables, showing that when the temperature rises, flow time also rises, hence option B is the proper response.

Learn more about the kelvin scale of temperature from here,

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How does Bolsa describe his new client?

Answers

Answer:

loco

Explanation:

What is the speed of a walking person in m/s if the person travels 2000 m in 35 minutes?

Answers

Distance = 2000m

Time = 35 minutes = 35×60 sec = 2100 sec

We know, Speed = Distance/Time

Therefore, Speed

= 2000m/2100s = 20/21 m/s

Answer: 20/21 m/s

Hope it helps! Please do comment

scientific notation expresses a value as the product of a number between 1 and 10 and_____

Answers

Answer:

and the power to which the number should be raised:

1.50E2 = 1500

4.167E4 = 41,760

4.167E-4 = .0004176

Mass of the earth = 5.98 * 10^24 kg = 5.98E24 kg

Some examples of scientific notation

Answer:

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A baseball is thrown a distance of 20 meters. What is its
seconds to cover the distance?
speed if it takes 0.5

Answers

Answer:

I want to say 10 seconds but im not 1000% sure

Answer:

Average speed= distance traveled/ time taken.

Explanation:

You shouldn't need any formula, just use common sense. You dummy. It goes 20m 10h half a sec. DUH!!!

A hydrogen atom has a diameter of about 12.7 nm, express this diameter in centimeters.

Answers

1 meter = 1e9 nm
To get meters, divide nanometers by 1e9: 9.95nm / 1x10^9 = 9.95x10^-9 meters
Answer: 9.95e-9 meters

We have to convert 12.7nm to cm

[tex]\\ \sf\longmapsto 12.7nm[/tex]

[tex]\\ \sf\longmapsto 12.7\times 10^{-9}m[/tex]

[tex]\\ \sf\longmapsto 0.127\times 10^{-7}m[/tex]

[tex]\\ \sf\longmapsto 0.00000127\times 10^{-2}[/tex]

[tex]\\ \sf\longmapsto 0.0000013cm[/tex]

What do kinematic equations do?

Answers

Answer:

The kinematics equations describe the motion of an object undergoing constant acceleration

Explanation:

The kinematics equations describe the motion of an object undergoing constant acceleration. These equations relate the variables of time, position, velocity and acceleration of a moving object, allowing any of these variables to be solved for if the others are known

kinematic equations describe the motion of an object with constant acceleration.hope it helps!*

(c) What are the factors of work? Also write their relation with work.​

Answers

Answer:

Explanation:

Appreciation for your work.Good relationships with colleagues.Good work-life balance.Good relationships with superiors.Company's financial stability.Learning and career development.Job security.Attractive fixed salary.

Good relationships with colleagues. Good work-life balance. Good relationships with superiors. Company's financial stability.

Applying the speed of Sound
Johnny was playing baseball with his friends and they noticed a bolt of lightning They heard thunder seven seconds
How far away is the storm?
meters

Answers

Did you find the speed of sound from how far away the storm is

Answer:

2,317

Explanation:

on e

motorcycle starting from rest cover 200 metre distance in 6 second calculate final velocity and acceleration of the motorcycle ​

Answers

Answer:V=200mtime=6stime=6s initial velocity=0time=6s initial velocity=0 final velocity=200/6time=6s initial velocity=0 final velocity=200/6=100/3m/s time=6s initial velocity=0 final velocity=200/6=100/3m/s v=u+atime=6s initial velocity=0 final velocity=200/6=100/3m/s v=u+aputting value,time=6s initial velocity=0 final velocity=200/6=100/3m/s v=u+aputting value, 200/3=0+ax6time=6s initial velocity=0 final velocity=200/6=100/3m/s v=u+aputting value, 200/3=0+ax6 200/3-ax6 time=6s initial velocity=0 final velocity=200/6=100/3m/s v=u+aputting value, 200/3=0+ax6 200/3-ax6 200/3/6=a time=6s initial velocity=0 final velocity=200/6=100/3m/s v=u+aputting value, 200/3=0+ax6 200/3-ax6 200/3/6=a 200/18-a time=6s initial velocity=0 final velocity=200/6=100/3m/s v=u+aputting value, 200/3=0+ax6 200/3-ax6 200/3/6=a 200/18-a a 100/9m/s^2

difference between the speed and velocity?​

Answers

Speed varies with Distance travelled w.r.t time

[tex]\boxed{\sf Speed=\dfrac{Distance}{Time}}[/tex]

Whereas velocity varies with displacement w.r.t time.

[tex]\boxed{\sf Velocity=\dfrac{Displacement}{Time}}[/tex]

An apple weighing 1 N falls through a distance of 1m. How much work is done
on the apple by the force of gravity?

Answers

Answer:

W = F × d

W = 1 × 1

W = 1 Joule

step by step explanation

An apple is having a force of 1 N and it travels to a distance of 1 m then the work done on the apple by the force of gravity will be equal to 1 J.

What is Work?

Work is a physics term used to describe the transfer of energy that occurs when an object changes above a distance because of an external force, at least some of which is given in the vector of the dislocation. The element of the strong acting all along the path multiplied by the length of the path can be used to calculate work if the force is constant.

Mathematically, this idea is expressed as W = fd, where W is the effort and f is the force multiplied by d, the distance. Work is completed whenever the pressure is applied at an angle with regard to displacement.

As per the given information in the question,

Force, f = 1 N

Distance, d = 1 m

Then, the work done will be,

W = fd

W = 1 × 1

W = 1 J.

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will mark brainliest!

Answers

Answer:

b=t-p(m-n)/s

Explanation:

3. A Tylenol has 80 mg of acetaminophen.
How many grams is that

Answers

[tex]\boxed{\sf 1g=1000mg}[/tex]

[tex]\\ \sf\longmapsto 80g[/tex]

[tex]\\ \sf\longmapsto \dfrac{80}{1000}[/tex]

[tex]\\ \sf\longmapsto 0.08g[/tex]

3. ¿Cuál es la distancia focal de un espejo CONVERo sabiendo que un objeto colocado
a 4 cm de él da una imagen virtual situata a 2 cm del espeso? ¿Cuál es el radio de
curvatura del espejo? Determina también las características de la imagen sie
objeto mide 5 cm

Answers

i dont know for real

Fatima is watching her pet cat, Winter, napping in the sun. Fatima is curious about the heart rate of Winter when she is napping, so she develops this scientific question: Does a cat’s heart rate change while it is napping

Answers

We have that for the question, Does a cat’s heart rate change while it is napping?

Cats heart rate do not increase while napping.

The range of heart beat of a cat is 140 and 220 bpm

From the Question we are asked

Does a cat’s heart rate change while it is napping.

The answer is NO

Cats heart rate do not increase while napping. Cat have a normal heart beat maximum of 220 beats per minute consistently.The range of heart beat of a cat is 140 and 220 bpm

Therefore

There is something with a cat with heart rate above this number.

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what are 2 ways elastic energy affects us as humans

Answers

Answer:

The coil spring of a wind-up clock.

An archer's stretched bow.

Explanation:

how do i get the correct answer for 0.429m to mm

Answers

the answer for 0.429m to mm is 429

Answer:

0.429m=429 mm

Explanation:

Since there are 1,000 millimeters per meter, you need to multiply by 1,000 to convert from meters to millimeters.

1. The atomic number of an element is the same as the number of ______ that the element has.

Answers

Answer:

Explanation:

The total number of protons in the nucleus of an atom gives us the atomic number of that atom. It is represented with the letter ‘Z.’ All the atoms of a particular element have the same number of protons, and hence the same atomic number. Atoms of different elements have different atomic numbers.

Precision is how close a series of measurements are to ______

Answers

Answer:

Accuracy is how close a measured value is to an accepted value. Precision is how close measurements are to one another. To make measurements, you have to evaluate both the accuracy and the precision to get a correct value.

A projectile is launched vertically with an initial velocity of 50 m/s. How long would it take to reach the top of the launch?

Answers

Answer:

Explanation:

Givens

vi = 50 m/s

vf = 0

a = - 9.81

t = ?

Formula

t = (vf - vi)/a

Solution

t = (0 - 50)/-9.81

t = 5.097

Notice that a is made into a minus. It does not mean subtract. It means that the direction of the projectile and gravity must go in opposite directions. You will find that direction is a critically important consideration in physics.

Answer:

It'd take it 5.10 seconds

Explanation:

At the top of the launch, it is maximum height, h

formular derivation :

At maximum height, final velocity, v is zero

From first newtons equation:

[tex]{ \sf{v = u + gt}}[/tex]

v is the final velocity

u is the initial velocity

g is acceleration due to gravity

t is the time taken

but v is zero:

[tex]0 = u + gt \\ gt = u \\ t = \frac{u}{g} [/tex]

since it is vertical motion, u = usin(theta), where angle is 90°

[tex]{ \boxed{t = \frac{u \sin( \theta) }{g} }}[/tex]

t is the time taken to reach the top of the launch:

substitute, taking g to be 9.8 m/s²

[tex]t = \frac{50 \times \sin(90 \degree) }{9.8} = \frac{50}{9.8} \\ \\ { \boxed{ \boxed{time = 5.10 \: seconds}}}[/tex]

(b) On what factor does the mechanical advantage of a simple machine depend? (a) N/m B. Very short answer questions, 1. What is the principle of simple machine? 2. 3. The efficiency of simple machine is 75%. What does it mean? 4. S. What is lever? In how many classes is lever classified? Write the name of a simple machine used to change the direction of force. 6.the velocity ratio of a pulley system is 4.what does it mean? 0 Reliant Science - 9​

Answers

Answer:

No.b answer

the ratio of the length of the lever arm where the force is applied divided by the length of the lever are that lifts the load.

No.1 answer

if there is no friction in a simple machine, work output and work input are found to be equal in the machine.

No.3 answer

machine that is 75% efficient means that 75% of the work input is obtained as the useful output and the remaining 25% has been lost in overcoming the friction.

No.4 Answer

A lever is a simple machine made of a rigid beam and a fulcrum. In 3 calss lever is classified.

Simple pulleys change the direction of the force used to lift an object over a distance.

ratio of distance travelled by effort to the distance travelled by load in the machine.

Hope this will help you alot

Have a great day ❤️

keep smiling

what do you mean by Spin quantum number?​

Answers

Answer:

In atomic physics, the spin quantum number is a quantum number (designated ms) which describes the intrinsic angular momentum (or spin angular momentum, or simply spin) of an electron or other particle.

Hello!

The answer is:

Spin Quantum Number: In atomic physics, the spin quantum number is a quantum number (designated ms) which describes the intrinsic angular momentum (or spin angular momentum, or simply spin) of an electron or other particle.

Hope it help you

Which unit is used to measure the mass of a computer?

Answers

Answer:

kilogram

Explanation:

computers are measured in kilograms

PLZ FAST Scientific knowledge is both long lasting and always _______.

changing
non-observable
permanent
untestable

Answers

The answer is changing

1.
100 cm are equivalent to 1 m. How many cm are equivalent to 3 m? Briefly explain how you
could convert any number of meters into a number of centimeters

Answers

Answer:

[tex]300[/tex] cm are equivalent to [tex]3[/tex] m.

Explanation:

[tex]100[/tex] cm are equivalent to [tex]1[/tex] m.

[tex]100 \mathrm{~cm}$=1{~m}$[/tex]

[tex]3 \mathrm{~m}$=3\times100[/tex]

[tex]=$300{~cm}$[/tex]

To convert meters ([tex]\mathrm{~m}$[/tex]) into number of centimeters ([tex]\mathrm{~cm}$[/tex]), multiply that number by [tex]100[/tex].

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An Internet connection transfers 32 kilobytes per second. How many bytes are being transferred every second?

Answers

Answer:

32,000

Explanation:

There are 1,000 bytes in each kilobyte, so therefore 32,000 bytes are transferred each second.

A sample of oxygen gas occupies a volume of 200 mL at a pressure of 720 torr. What volume will the gas occupy at a pressure of 800 torr if temperature is held constant

Answers

We have that the gas will occupy at a pressure of 800 torr if temperature is held constant a Volume of

[tex]V_2=0.18L[/tex]

From the Question we are told that

Initial Pressure [tex]P_1=720[/tex]

final Volume  [tex]V_1=200mL[/tex]

Initial Pressure [tex]P_2=800[/tex]

final Volume  [tex]V_2=?[/tex]

Generally the equation for Boyle's law  is mathematically given as

[tex]P_1V_1= P_2V_2[/tex]

Therefore

[tex]V_2=\frac{ P_1V_1}{P_2}\\\\V_2=\frac{ 720*200}{800}\\\\V_2=180mL[/tex]

[tex]V_2=0.18L[/tex]

The gas will occupy at a pressure of 800 torr if temperature is held constant a Volume of

[tex]V_2=0.18L[/tex]

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