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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.
8 years ago

Answers

Ubaid ullah
Vf=Vi+at
8 years ago
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
8 years ago

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