a ball is thrown vertically upwards with speed 10 m/s from top of the tower reaches the ground with speed 20 m/s . the hight of the tower is
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By using the formula ..
v^2=u^2 +2gh
(20^2)=(10^2)+2(10)H
400=100+20H
20H=400-100)
H=300/20
H=15m
v^2=u^2 +2gh
(20^2)=(10^2)+2(10)H
400=100+20H
20H=400-100)
H=300/20
H=15m
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