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Kevin, whose mass is 80 kg, is moving along at a velocity of 4 m/s. He doubles his velocity by going down a hill. How much kinetic energy does he have after going down the hill? J
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4 votes
4 votes
Kevin, whose mass is 80 kg, is moving along at a velocity of 4 m/s. He doubles his velocity by going down a hill. How much kinetic energy does he have after going down the hill?

J

User Tushar Walzade
by
2.8k points

2 Answers

3 votes
3 votes

Answer:

2560J

Step-by-step explanation:

User Dmanners
by
3.3k points
3 votes
3 votes

Answer:

2560J

Step-by-step explanation:

KE= 1/2mv^2 so plug in the numbers to get

KE= 1/2 (80)(8)^2

KE= 2560

User Serhii Bohutskyi
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3.5k points
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