Answered: ollowing scenarios describes impulse?…

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter8: Linear Momentum And Collisions

Section: Chapter Questions

Problem 1PE: (a) Calculate the momentum of a 2000-kg elephant charging a hunter at a speed of 7.50 m/s. (b)...

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Question

Which of the following scenarios describes impulse?

A. Two cars collide with one another.

B. An airplane maintains cruising speed and altitude.

C. A train travels down the tracks at a constant velocity.

D. An apple hangs from a tree.

What is the momentum of a 0.145 kg baseball thrown at 44.3 m/s?

A. 0.655 kg x m/ s

B. 6.42 kg x m/ s

C. 38.2 kg x m/ s

D. 306 kg x m/ s

Expert Solution

Step 1

IMPULSE:-

We know that the impulse is defined as the force and change in time.

$Impulse = F ∆ t where F is the force ∆ t is the change in time$

We also can say that the change in momentum is defined as the impulse. the term "impulse" is used to explain or measure the effect of a force working overtime time to modify an object's momentum. It is denoted by the letter J and is usually measured in Newton seconds or kilograms per second.

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