Question

If the ball falls from a height of 100 m and descends 5 m in 1 s, how much will it descend in 4 s?

Answer 1

Answer:

Explanation:

Ball falls in i second = 5m

how much will it descend in 4 seconds = 5 x 4 = 20m

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Answer 2

Answer:

Hi your answer is as follows

Explanation:

Given:

s = 100

u = 0

v = 5 m/s

t = 4

a = -10 m/s

s = ut + 1/2(at^2)

s = 40/2 m

s = 20 m

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