Question
a stone is thrown vertically upwards from the edge of a tower with velocity 5m/s.it strikes the ground close to the base after 4s .the height of tower?
Answers
bobpursley
hf=hi+vo*t-1/2 g t^2
0=hi+5*4-4.8*16
solve for hi
0=hi+5*4-4.8*16
solve for hi
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