A ball is thrown vertically downward from a balcony with a speed of

PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

A ball is thrown vertically downward from a balcony with a speed of

5\,\text{m\,s}^{-1}

. The ground is

30\,\text{m}

below the balcony. How long will the ball take to reach the ground? (Take

g=9.8\,\text{m\,s}^{-2}

.) (a)

1.5\,\text{s}

(b)

2.5\,\text{s}

(c)

2.0\,\text{s}

(d)

3.0\,\text{s}

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