Asked by Tyler

A physics student stands on the edge of a cliff 2x meters. He throws his physics homework straight up in the air. Derive an expression to calculate the time taken by the homework to come back to the student.

Answers

Answered by Ubaid ullah
Vf=Vi+at
Answered by bobpursley
Nope, time works here:

hf=hi+vi*t-1/2 *(9.8)t^2
but hf=hi
t(vi-4.9t)=0
t=vi/4.9
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