A 34.7 kg child rides a 5.30 kg toboggan down a 13.1 m high snowy hill. If the child starts from rest and has a speed of 6.70 m/s at the bottom of the hill, what is the change in thermal energy of the child on their toboggan and the snow?

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A 34.7 kg child rides a 5.30 kg toboggan down a 13.1 m high snowy hill. If the child starts from rest and has a speed of 6.70 m/s at the bottom of the hill, what is the change in thermal energy of the child on their toboggan and the snow?

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Step 1

Given,

Step 2

When child starts from rest and achieve velocity at bottom then total change in kinetic energy is becomes equal to change in thermal energy of child with toboggan. Change in thermal energy is calculated as,

Step 3

By substituting the ...

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