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A 4 kg ball has 50 J of kinetic energy. How fast is it moving? How fast would the ball need to be thrown?
Answered by thanks x
why is it not 5m/s
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A snake slithers up a giant sand dune at 2 m/s. How far will it have moved in a minute?
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What energy transfer is happening in a rocket at lift off?
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A 4 kg ball has 50 J of kinetic energy. How fast will it need to be thrown?
Answered by thanks x
its not 5m/s
Answered by thanks x
A 4 kg ball has 50 J of kinetic energy. How fast will it need to be thrown?

300 m/s
24.5 m/s
600 m/s
17.3 m/s
Answered by thanks x
A 4 kg ball has 50 J of kinetic energy. How fast will it need to be thrown?

a) 300 m/s
b) 24.5 m/s
c) 600 m/s
d) 17.3 m/s
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