Question
Asked Sep 30, 2019
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1) A man falls from a height of 48 feet. 

(a) What is the velocity with which he hits the ground? 

(b) How much time does it take for him to hit the ground?

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Expert Answer

Step 1

Write the kinematic equati...

1
S ut at2
2
Since the initial velocity is zero and the fall ofthe man is under gravity
the above equation is written as
gt
2s
t =
2x 48ft.304 8 m
ft
X
9.8m/s2
=1.72s
(b)The time taken by the man to hit the ground is 1.72s
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1 S ut at2 2 Since the initial velocity is zero and the fall ofthe man is under gravity the above equation is written as gt 2s t = 2x 48ft.304 8 m ft X 9.8m/s2 =1.72s (b)The time taken by the man to hit the ground is 1.72s

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