A body is projected horizontally from the top of a cliff 45m above the ground. if the body lands at a distance 30m from the foot of the cliff, calculate the speed of projection. [g = 10ms‾²]

by | Mar 13 | Physics WAEC | 0 comments

A. 10ms‾¹
B. 15ms‾¹
C. 20ms‾¹
D. 30ms‾¹

Correct Answer: Option D

D. 30ms‾¹

Explanation

V² = U² + 2gh

= 0² + 2 x 10 x 45 = 30

Users Also Read These:

Copyright warnings! Do not copy.