Question
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
Ubaid ullah
Vf=Vi+at
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
hf=hi+vi*t-1/2 *(9.8)t^2
but hf=hi
t(vi-4.9t)=0
t=vi/4.9