Question

The height and width of each step of a stair case
are 20cm and 30cm respectively. A ball rolls off
the top of a stair with horizontal velocity V and
hits the fifth step. The magnitude of V is (g=10
ms)
a) 1.575 ms
c)7.5 ms
b)315 ms
d)1.5ms-​

Answer 1

Answer:

c option is correct bro

Answer 2

Option c is correct