Textbook ExpertVerified Tutor
11 Nov 2021
Given information
We are given that:-
The initial velocity when the person jumps off the roof, .
Also, the acceleration during free fall is, .
Height through which person falls, i:e; displacement of the person ,.
Step-by-step explanation
Step 1.
To find the speed of the person just before he strikes the ground i:e; final velocity we use the kinematics equation;
.
Where is the final velocity, is the initial velocity, is the acceleration and is the displacement.
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