A stone dropped form the top of a tower touches ground in 4 seconds. The height of the tower is
(g = 10ms-2)
a)80m
b)40m
c)20m
d)160m
Answers
Answered by
1
Answer:
the height of the tower is 20m
Answered by
3
Explanation:
s=? t=4sec। g=10m per second square u=0m per second
s=ut+1/2a*t square
s=0*4+1/2*10*16
s=5*16=80m
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