A. 30ms-1
B. 25ms-1
C. 20ms-1
D. 15ms-1
Correct Answer: Option A
A. 30ms-1
Explanation
S = ½(a+b)h
60 = ½(15+25)h
h = 1200/40 = 30m/s
![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]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "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]")
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