A 1500-kg car accelerates from 0 to 25 m/s in 7.0s with negligible friction and air resistance. What is the average power delivered by the engine? (1 hp 746 W)

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asked Jun 2, 2021 60.6k views

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A 1500-kg car accelerates from 0 to 25 m/s in 7.0s with negligible friction and air resistance. What is the average power delivered by the engine? (1 hp 746 W)

Physics
college

Mikelowry asked

by Mikelowry

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Answer:

90 hp

Step-by-step explanation:

Power = work / time

P = ½ (1500 kg) (25 m/s)² / 7.0 s

P = 67,000 W

P = 90 hp

Mindsect Team answered Jun 6, 2021

by Mindsect Team

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