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?
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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Transcribed Image Text: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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