The 2 Vectors shown in the image below are combined.What is the resultant quantity?
Answers
Option A is correct. The resultant quantity is 50m/s to the right.
Vector quantities are quantities that have both magnitude and direction.
From the diagram shown, we can see that 100m/s vector moves in the positive x-direction, this means that the of magnitude the vector is +100m/s.
For the vector 50m/s, we can see that it is moving in the negative x-direction, this shows that the magnitude of the 50m/s vector is -50m/s.
Resultant speed = +100 - 50
Resultant speed = +50m/s
Since the resultant speed is a positive value, this mean that the resultant quantity will be moving towards the right.
Hence the correct option will be 50m/s to the right.
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Related Questions
Explain why circular motion includes continuous
acceleration even when the speed does not change
Answers
What are the two main
categories of particles and
antiparticles?
Answers
Answer:
Particles can be classified as hadrons – baryons and mesons – and leptons, each with its anti-particle, and they should know that interactions between these particles can be described in terms of transfer of other particles known as vector bosons.
Explanation:
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4 facts about relative dating?
Answers
Relative dating puts geologic events in chronological order without requiring that a specific numerical age be assigned to each event….
Relative Dating uses the half life of isotopes to get the exact age of a rock or mineral.
A helicopter flies 25 km north, 5 km east, then 5 km S, then 15 km W. What is the resultant displacement and direction of the helicopter? Solve using graphical or mathematical methods. Be sure to either show work or explain your graphical methods.
Answers
Answer:
Explanation:
Plotting the original location of the helicopter before it flies 25 km north, it would be at the origin, (0,0) then after it flies north, the y vertex gains 25 points, so it would be (0,25)
After it flies east, the x coordinate gains 5 points, so it would now be (5,25)
After it flies south, the y coordinate loses or is subtracted by 5 points. so it would now be (5,20)
After flying west, the x coordinate loses 15 points. So the final vertex would be at (-10,20)
East = Right
West = Left
South= Down
North = Up
I used mainly mathematical methods by adding and subtracting the x and y coordinate values, but this could be graphed easily since I gave the coordinates just incase!
Hope this helps!
Answer:
Explanation:
D = Xf - X
D = 15km West - 25km North
D = -10km West
Engineers design a system for heating the air in a house. They want the
heater to bring the temperature to a comfortable level and then maintain it.
Which option describes how the engineers should design the system?
O A. Include a control in the system that minimizes the difference
between the amounts of input and output.
B. Build in a control that uses negative feedback to minimize the
amount of change in the system.
C. Build a control into the system that causes input to always be
slightly less than output.
D. Include a control in the system that provides positive feedback
between the input and the output.
SUBMIT
Answers
Calculate the velocity of the object in the graph above using the equation for a slope.
Answers
Answer:
v=d/t
50/5
=10m
is the velocity
A basket contains 7 white cats and 15 black cats. What is the ratio of the number of white cats to the number of black cats?
Answers
Which two types of energy does a book have as it falls to the floor?
A. Kinetic energy
B. Nuclear energy
C. Light energy
D. Magnetic energy
E. Potential energy
Answers
Answer:
A and E
Explanation:
because of gravitational pull
Answer:
Its A and E :))
Explanation:
If I am trying to test which brand of battery lasts the longest, what is my independent variable? My dependent variable?
Answers
Answer:
• Independent - brands of battery• Dependent - how long is time that the battery will lastExplanation:
Independent variable is the one you manipulate.Dependent variable is the one that you observe.In Hindu chronology, the longest time measure is a para. One para equals 311 040 000 000 000 years. Calculate this value in megayears, hours and in seconds. Write your answers in scientific notation.
Answers
A para equals [tex]3.110\times 10^{8}[/tex] megayears, [tex]2.725\times 10^{18}[/tex] hours and [tex]9.809\times 10^{21}[/tex] seconds, respectively.
This is an unit conversion problem, in this question we need to convert a value in Hindu units into SI units. A megayear equals [tex]10^{6}[/tex] years, a year equals 8760 hours and a hour equals 3600 seconds. Now we proceed to perform all required conversions:
Megayears
[tex]x = 1\,para \times \frac{311040000000000\,yr}{1\,para} \times \frac{1\,Myr}{10^{6}\,yr}[/tex]
[tex]x = 311040000\,Myr[/tex]
[tex]x = 3.110\times 10^{8}\,Myr[/tex]
Hours
[tex]x = 1\,para \times \frac{311040000000000\,yr}{1\,para} \times \frac{8760\,h}{1\,yr}[/tex]
[tex]x = 2.725\times 10^{18}\,h[/tex]
Seconds
[tex]x = 1\,para \times \frac{311040000000000\,yr}{1\,para} \times \frac{8760\,h}{1\,yr} \times \frac{3600\,s}{1\,h}[/tex]
[tex]x = 9.809\times 10^{21}\,s[/tex]
A para equals [tex]3.110\times 10^{8}[/tex] megayears, [tex]2.725\times 10^{18}[/tex] hours and [tex]9.809\times 10^{21}[/tex] seconds, respectively.
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An alternating voltage of 25.0 V is connected across the primary coil of a transformer.
Input Voltage 25 V
ind Output Voltage
50 V Output Current
Input Current 5 A
What is the current across the secondary coil? A 2.5 A C 250 A B D 5.0 A 500 A
Answers
Answer:
A
Explanation:
Wattage = E * I
E = 25
I = 5
Wattage = 25 * 5
Wattage = 125
The secondary, in an ideal transformer has the same wattage.
125 = 50 * I Divide by 50
125/50 = I
I = 2.5
In vector diagrams, what does the length of the arrow tell you?
Answers
Answer:
The length of the arrow tells you the size of the quantity in the vector diagram.
The direction of the arrow simply tells you the direction
Answer and Explanation:
A vector in this sense is a thing that has both magnitude (length) and direction.
Say you're walking at a speed of 5 miles per hour. If you keep walking in a straight line, then in two hours you will have walked 10 miles.
This doesn't give any information about where you started or any information about where you ended up after those 2 hours.
This is because "speed" is a scalar. It's a number with no associated geometry. It's just a magnitude. It's the magnitude of velocity.
Velocity is a vector.
Look on a map at where you are right now. Call that the center of the circle. Draw the circle with a 10 mile radius around where you are now.
The length of the arrow represents all of the possible places you could be after a two hour walk.
Which direction the arrow was pointing is what allows your friends to meet you there without checking along a ~63 mile path to find you or searching ~314 square miles to find you if you slowed down or stopped off along the way.
What’s important about physical health
Answers
Answer:
Physical activity or exercise can improve your health and reduce the risk of developing several diseases like type 2 diabetes, cancer and cardiovascular disease. Physical activity and exercise can have immediate and long-term health benefits. Most importantly, regular activity can improve your quality of life.
Explanation:
hope it is helpful for you keep smilingA liquid has a
constant temperature
definite shape
crystal structure
definite volume
Answers
The right answer is : Definite Volume
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Benjamina started her walk from the front door of her ground-floor apartment. She walked 6 meters to the corner of the building and then turned the corner and walked 10 meters to her friend’s apartment. Identify the difference between the distance she walked and her displacement.
Answers
Answer:
The change in her position (from beginning to end), along with the direction, is considered her displacement.
Explanation:
Answer:
The change in her position ( from beginning to end), along with the direction, is considered her displacement. This value is a measurement and a direction. The total distance along the path from her starting point to her endpoint is considered her distance. This value is a measurement only.
11.
2.4 g/mL x 15.82 mL
Answers
Answer:
The final solution is 38 g.
Explanation:
(2.4 (g / mL)) x 15.82 mL
= 37.96800 grams
When rounded, we get 38, so 38 g is the final solution.
Answer:
38 g is the answer
¿Qué información se puede obtener de un gráfico rapidez versus tiempo?
Answers
Answer:
la velocidad se mide con el tiempo del tiempo que tarda el tiempo se mide por la hora del día y el reloj
Explanation:
Creo que es correcto
Abigail Folgers’s dying words were ?
Answers
Answer:
"My God is an amazing God."
A bowling lane is 18 meters long. How long would it take a 1.5 m/s bowling ball to
roll down that lane?
16.5 seconds
16.5 meters
12 seconds
27 seconds
27 meters
12 meters
Answers
Divide distance by speed:
18 meters / 1.5 meters/ second = 12 seconds
Answer: 12 seconds
A bowling lane is 18 meters long. it would take 12 seconds for a 1.5 m/s bowling ball to roll down that lane, therefore the correct answer is the third option
What is Velocity?The total displacement covered by any object per unit of time is known as velocity. It depends on the magnitude as well as the direction of the moving object.
The mathematical expression for velocity is given by
velocity= total displacement/Total time
As given in the problem a bowling lane is 18 meters long and the ball is moving with a velocity of 1.5 m/s in the roll-down lane we have to find the time period for the bowling ball to roll down that lane
Total displacement = 18 meters
the velocity of the ball = 1.5 m/s
time =?
By substituting the values in the formula of the velocity
1.5 = 18/t
t= 12 seconds
Thus , it would take 12 seconds for a 1.5 m/s bowling ball to roll down that lane
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convert 22000mg to cg
Answers
Your answer is.. 22000 mg = 2200 cg
Because:
1 mg = 0.1 cg
I hope this helps!
What is the difference between the temperatures on Earth and the moon?
Answers
Answer:
The earth is hotter
Explanation:
the average temperature on earth is 57 degrees Fahrenheit the average on the moon is -298 degrees Fahrenheit
If a car's initial velocity is 24 m/s E, and 3 seconds later the car's
velocity is 12 m/s E, what is the acceleration of the car during those
3 seconds?
Answers
Please find the attached photo for your answer. Hope it helps..
Write electronic configuration of calcium on the basis of sub shell?
Answers
Answer:
Use Aufbau's principle,
1s^2,2s^2,2p^6,3s^2,3p^6,4s^2
Fill 20 electrons,
Max number of electrons that sub shells can hold,
s=2
p=6
d=10
f=14
a grey kangaroo can lead a distance of 10m on horizontal ground. what is the minimum takeoff speed for such a leap?
show your work please!!
Answers
The minimum speed with which a projectile will travel a range is given by the speed when the given range is taken as the maximum range for the given speed
The minimum takeoff speed for such a leap is approximately 9.9 m/s
The known parameter is the distance a grey kangaroo can leap = 10 meters
The required information is the minimum takeoff speed for the leap
Solution:
The path of motion of the kangaroo as they leap is the path of a projectile
The distance of the leap is the range of the projectile
The formula for the maximum range is presented as follows;
[tex]Maximum \ range, R = \mathbf{ \dfrac{v_0^2 }{g}}[/tex]
v₀ = The initial speed of the kangaroo
g = The acceleration due to gravity ≈ 9.81 m/s²
The minimum speed to reach a maximum range of, R = 10 meters is found as follows;
[tex]\mathbf{ Maximum \ range, R} = 10 \, m = \dfrac{v_0^2 }{9.81 \ m/s^2}[/tex]
Therefore;
v₀² = 10 m × 9.81 m/s² = 98.1 m²/s²
v₀ = √(98.1 m²/s²) ≈ 9.9 m/s
The minimum takeoff speed for the kangaroo to leap 10 meters on horizontal ground, v₀ ≈ 9.9 m/s
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The satellite in the diagram has gravitational potential energy because of which of the following? Choose all that apply.
It has mass.
It is moving around Earth.
It has height above Earth's surface.
It is attracted by gravity toward Earth.
Answers
This question deals with the concept of Gravitational Potential Energy.
The gravitational potential energy of an object is the energy possessed by the object due to its position in the gravitational field.
The value of gravitational potential energy of an object is given by the following formula:
P.E = mgh
where,
P.E = Gravitational Potential Energy
m = mass of the object
g = acceleration due to gravity
h = height of the object in the gravitational field
According to this formula, the object (satellite) has gravitational potential energy due to the following:
It has mass (m).
It has a height above Earth's surface (h).
It is attracted by gravity toward Earth (g).
Learn more about gravitational potential energy here:
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what is force? Give it's SI unit
Answers
Answer:
Force is an external agency that changes or tries to change the position of the body.
Its SI unit is Newton (N).
The equation below can be used to find the specific heat capacity of a substance. What is the specific heat capacity if it takes 1000 J of energy to heat 25 g of this substance by 100°C? Give your answer in J/kg°C.
Answers
Answer:
0.4j/g
Explanation:
using H = MCQwhere H is heat energy, M is mass of substance, and Q temperature change
1000= 25*C*1001000=25*100*C1000=2500Cdivide both by 25001000/2500=CC = 0.4j/gAnswer:
u837483 hd83v
Explanation:
ueu383hevd8eb2 e eusb2 3udbr easy elements easy when ever ever ekq Asner skate s Jesse issbqks. sis whish
convert 260 f into c
Answers
Answer:
126.667 °Celsius
Explanation:
260 °Fahrenheit =126.667 °Celsius
Plz answer this question
Answers
The answer will be pressure.
Pressure is force per unit area.
Complete the passage to describe velocity vs time graphs.
A velocity vs time graph is a graph that shows the relationship between the velocity of an object over time.
is plotted on the x-axis in seconds, and the
of the object is plotted on the y-axis in
meters per second.
Intro
ty
Done
Answers
Answer:
Explanation:
velocity unit t is m/s and the slope indicates the acceleration
Answer: time and volocity
Explanation:
