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A 3.00kg toy car has 25.0J of kinetic energy. What is the magnitude of the car's velocity? 8.33m/s 4.08m/s 16.7m/s 2.89m/s
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25 votes
A 3.00kg toy car has 25.0J of kinetic energy. What is the magnitude of the car's velocity?

8.33m/s
4.08m/s
16.7m/s
2.89m/s

User Kelly Norton
by
3.8k points

1 Answer

1 vote

KE = 1/2mv²

25 = 1/2 x 3 x v²

v = 4.08 m/s

User Great Turtle
by
3.4k points
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