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Per NCERT Example 7.8, what is the velocity of a child at the BOTTOM of a frictionless slide of height h — assuming all PE converts to KE?
Av = √(2gh) — independent of the slide's shape or the child's mass
Bv = √(gh)
CZero
DDifferent for different children based on mass
Answer & Solution
Correct answer: A. v = √(2gh) — independent of the slide's shape or the child's mass
Per NCERT Example 7.8, energy conservation gives v = √(2gh) — depends only on h, not shape or mass.
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