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svet-max [94.6K]
3 years ago
9

What is the mass of a car that has a kinetic energy if 4,320,000 J moving at 23 m/s?

Physics
1 answer:
Alekssandra [29.7K]3 years ago
4 0

Answer:

kinetic energy=1/2mv^2.

which is 4320000=1/2×m×23^2.

which is 4320000=1/2×m×529.

4320000=264.5m.

m=4320000/264.5.

m=16332.70~16333g

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