A stone falling from the rest position. under the influence of gravity. it's strikes with a glass in time t loses half of it's velocity. if it then reached the ground in t seconds and gain velocity of 30m/s. find out time?
1 Answer
Aug 10, 2017
2 seconds
Explanation:
v = u + at
v = gt
Veocity when it strikes the glass = gt
It loses half of its velocity after striking the glass. Hence it now falls with velocity =
Now....,
If
t =