4.
A ball is thrown up from the top of a tower 50 m
high with a velocity of 15 m s-. The time, it takes
to strike the ground is : (Assume g = 10 ms?)
10 s
2 3 3
(32 5
4 25
Answers
Answered by
8
Explanation:
v = 0
at Max height v= 0
v = u+at
0 = 15 +(-10)t
t = 1.5secs
The time it will take to strike the ground
will be =>2(1.5) => 3.0 sec
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