Textbook ExpertVerified Tutor
13 Nov 2021
Given information
We have given that, the height of cliff is 910 m and horizontal speed of jumper is 4.0 m/s. We have also given that jumper enjoys a free fall until she is 150 m above the valley floor.
Step-by-step explanation
Step 1.
As we know that jumper enjoys a free fall until she is 150 m above the valley floor.
so the distance jumper covered in freefall is s = 910 m - 150 m = 760 m.
Under free fall jumpmer will feel gravitational acceleration g.
As we know that second equation of motion provides us relation between distance and time, with the help of it we will calculate the free fall time of jumper.
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