Question

An elastic ball is dropped from a height 19.6 m, above a smooth horizontal floor Ife -
the time taken before the ball completely comes to rest is
A13s
B) 95
C) 6
D) 15​

Answer 1

Answer:

Time taken = 2 seconds

Hint :- Use the 2nd equation of motion i.e,

h = ut + 1/2 gt²