Question

2]an iron ball of mass 3 kg is released from height of 125 m and falls freely to the ground . assuming that the value of g is 10 m/s², calculate .
1) time taken by the boll on reaching the ground.
2) velocity of the ball on reaching the ground .
3) the height of the ball at half the time it takes to reach the ground .​

Answer 1

Answer:

I) time taken to reach ground is 5 sec

ii) v=50m/s

iii) at half time it reaches 62.5m