Question

time
time
10.
A ball is thrown vertically upwards with a velocity of 45 ms 1 from the top of a multistorey building. The height
point from where the ball is thrown is 50m from the ground. Ball will hit the ground after time (take g = 10ms):
(2) 8 sec
(1) 5 sec
(3) 10 sec
(4) 12 sec
​

Answer 1

Answer:

5 seconds is the most accurate time or 8 seconds because time is about 6.9 sec