55 Best Motion Questions and Answers (Q&A) - ProProfs Discuss

Which graph best represents the motion of an object initially at rest and accelerating uniformly?

G. Roland, Professor
Answered: Dec 05, 2018

The answer would be graph two. If something is initially at rest, the graph has to start at the very bottom. This eliminates graphs one and three. At this point, the increase has to be uniform....Read More

3 Answers

4569 views

What is the magnitude of the displacement of the car from t = 2.0 seconds to t = 4.0 seconds in the graph below? The graph shows the velocity of a race car moving along a straight line...

K.Paul
Answered: Dec 11, 2017

The correct answer to the question “What is the magnitude of the displacement of the car from t=2.0 seconds to t = 4.0 seconds in the graph below?” wherein the graph “shows the...Read More

5 Answers

2550 views

What is the height of the bridge if the time is 2.3 s?

F. Ray, Student
Answered: Jul 20, 2018

This is 26 meters. Can you actually calculate the height of the place based on just dropping a stone? According to physics, this is possible. To do this, you would need a stopwatch so that you...Read More

3 Answers

2436 views

Which pair of graphs represents the same motion?

L. Hawkes, Teacher
Answered: Nov 05, 2018

A formula exists for calculating the distance, speed and time of something. To calculate distance, you must multiply speed times time. If you want to find the speed of something, you divide the...Read More

2 Answers

2195 views

What is the speed of the object during the time interval t = 2.0 seconds to t = 4.0 seconds?

Carice Snow, Motivator
Answered: Dec 14, 2018

The answer is A. According to the graph, the speed of the object during the time interval t = 2.0 seconds to t = 4.0 seconds is 10 m/s. Motion is a topic commonly talked about and explored in...Read More

3 Answers

1599 views

What is the speed of a car that travels 25 meters in 5 seconds?

John Smith
Answered: Apr 18, 2024

5 m/s

The formula for speed is s=distance/time. The distance traveled was 25 meters. The time it took to travel that distance was 5 seconds. Therefore, s= 25m/5s to give an answer of 5 m/s

2 Answers

1320 views

What is the interval in which the cart is moving forward at constant speed? The displacement-time graph below represents the motion of a cart initially moving forward along a straight line.

Carice Snow, Motivator
Answered: Dec 14, 2018

The answer is 3. The interval in which the cart is moving forward at constant speed is BC. This question has to do with graphine motion and time displacement. Graphing motion is very important in...Read More

4 Answers

1210 views

Which parameter cannot be used in calculating acceleration?

Jgessel
Answered: Apr 18, 2024

Average Speed

1 Answer

1165 views

What is the acceleration for the plane must leave a 950m runway?

D. gray, Builder
Answered: Mar 07, 2019

The correct answer is option B
To determine the acceleration required, use this formula
VF^2 = V0^2 + 2ad
Where
VF = Final speed
V0 = Initial speed
a =...Read More

2 Answers

961 views

What can you conclude from the following graph concerning the acceleration of the object?

J. Harty, Writer
Answered: Dec 14, 2018

When considering the graph and the following statements about the acceleration of the object, it is true that the direction of the acceleration is in the direction opposite to that of the...Read More

2 Answers

903 views

What is the depth of the crater if the time is 6.3 s?

W. Kaye, Ex-Marine
Answered: Mar 27, 2019

This is a physics question that can, fortunately, be answered with some computation.The answer to this is 32. In order to solve this, you need to know what the equation is which is s= ut+ 0.5 a...Read More

3 Answers

812 views

What is the acceleration of object A compared to object B in the diagram below?

John Adney
Answered: Jan 17, 2017

Twice as great because it doubles

2 Answers

759 views

What happens when a stone reaches its highest point when thrown up?

E. Stanley, Technical writer
Answered: Jul 17, 2018

When an object is moving it has both speed and acceleration by virtue of its movement. However, both are constantly changing, depending on how fast or slow the object is moving. Consider a stone...Read More

2 Answers

736 views

How do you define 'weight' in physics?

Christian Jackson, Content Developer
Answered: Aug 10, 2018

Weight in physics is known to be the gravitational force which Earth exerts on you. In order to express weight in a formula, you need to use w=mg. Of course, it is not only gravity that will...Read More

2 Answers

736 views

Which energy source is thought to drive the lateral motions of Earth's lithospheric plates?

L.Steven
Answered: Jan 07, 2018

The export of heat from deep in the mantle to the top of the asthenosphere is thought to drive the lateral motions of earth’s lithospheric plates. In geology, mantle is a layer that is...Read More

3 Answers

696 views

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