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A 32.4 kg child rides a 6.40 kg toboggan down a 14.0 m high snowy hill. If the child starts from rest and has a

A 32.4 kg child rides a 6.40 kg toboggan down a 14.0 m high snowy hill. If the child starts from rest and has a speed of 8.35 m/s at the bottom of the hill, what is the change in thermal energy of the child on their toboggan and the snow?

3.97103 J 6.68103 J 1.35103 J 5.32103 J

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