Question

A ball is dropped after 1 second another ball is dropped
from the same point. What is the distance between
them after 3 seconds if lind ball drop :
(a) 25 m
(b) 20 m
(c) 50 m
(d) 9.8 m​

Answer 1

Answer:

25 meter

Explanation:

the ball has travelled for 3 seconds under gravity with acceleration g and initial velocity=0.

the second ball travelled for 2 seconds under gravity with acceleration g and initial velocity=0. Distance between the two balls at the end of 3 seconds after the first ball is dropped = 1/2*9.8(9‐4)

= 24.5 = 25 meter