A projectile is fired with speed at to the horizontal

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

Problem

A projectile is fired with speed

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

60^{\circ}

to the horizontal. Take

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

. At what horizontal distance from the point of projection does the projectile first reach a height of

15\,\text{m}

? (a)

21.6\,\text{m}

(b)

5.4\,\text{m}

(c)

10.8\,\text{m}

(d)

43.3\,\text{m}