A child of mass 18 kg climbs to the top of a slide that is 2.5 m above a horizon

Question

A child of mass 18 kg climbs to the top of a slide that is 2.5 m above a horizontal run that extends for 0.50 m at the base of the slide. After sliding down, the child comes to rest just before reaching the very end of the horizontal portion of the slide.
(a) How much internal energy was generated during this process?
______________ J
(b) Where did the generated energy go?
to the slide
to the child
to the air
to the slide and the child
to the slide and the air
to the child and the air
to all three

Explanation / Answer

a>mass *g *height=18*9.8*2.5=441 J b>slide and air

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