If a ball is thrown vertically up with speed u, the tim... – Physics

Physicsmedium · Past Paper

If a ball is thrown vertically up with speed u, the time to reach maximum height is proportional to:

Au^2

Csqrt(u)

D1/u

✓ Correct Answer: B — u

From v = u - gt, at max height v=0, so t = u/g. Thus t is directly proportional to u.

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