Sheryl is driving along the highway in an 894 kg car. She initially drives at a velocity of 50 m/s. After 38.5 s, she increases the velocity by 70% of the initial velocity.A. Initially, if Sheryl is driving for 12 s, how much work was done?B. How much power was needed for the car to increase its velocity? 5. Sheryl is driving along the highway in an 894 kg car. She initially drives at a velocity of 50 m/s. After38.5 s, she increases the velocity by 70% of the initial velocity.a. Initially, if Sheryl is driving for 12 s, how much work was done?b. How much power was needed for the car to increase its velocity?

Given:- The mass of the car is m = 894 kg The initial velocity of the car is vi= 50 m/s The…

Answered: Sheryl is driving along the highway in…

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter9: Energy In Nonisolated Systems

Section: Chapter Questions

Problem 7PQ

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Sheryl is driving along the highway in an 894 kg car. She initially drives at a velocity of 50 m/s. After 38.5 s, she increases the velocity by 70% of the initial velocity.
A. Initially, if Sheryl is driving for 12 s, how much work was done?

B. How much power was needed for the car to increase its velocity?

5. Sheryl is driving along the highway in an 894 kg car. She initially drives at a velocity of 50 m/s. After
38.5 s, she increases the velocity by 70% of the initial velocity.
a. Initially, if Sheryl is driving for 12 s, how much work was done?
b. How much power was needed for the car to increase its velocity?

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