A ball is projected vertically upward with an initial speed of

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

Problem

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

. Calculate the maximum height it reaches. (Take

g = 10\,\text{m}\,\text{s}^{-2}

.) (a)

80\,\text{m}

(b)

40\,\text{m}

(c)

20\,\text{m}

(d)

10\,\text{m}