Question: A ( 1 5 - mathrm { kg } ) child slides down a 2 . 5 m - high playground slide.

A \(15-\mathrm{kg}\) child slides down a 2.5 m -high playground slide. She starts from rest and her speed at the bottom is \(3.0\mathrm{~m}/\mathrm{s}\). What is the total change in the thermal energy of the slide and the seat of her pants?
367.5 J
20 J
300 J
345 J
67.5 J
435 J
A \ ( 1 5 - \ mathrm { kg } \ ) child slides down

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