sofiadubmenes sofiadubmenes

15-03-2021
Chemistry

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a 10 gram ball is rolling at 20 m/s. what energy does the ball have

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GeorgeFocus GeorgeFocus

15-03-2021

Answer:

2 joule

Explanation:

10 gram= 0,01kg

The ball has kinetic enegry

K=1/2 *m *speed²

K=1/2 *0,01 * 400

K=2 Joule

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