A balloon rises vertically from rest on the ground with constant acceleration 1.25 ms-2. A small stone is released from the balloon when it has risen to a height of 250m. find:
(a) The speed of the balloon when the stone is released (25 ms-1)
(b) The time taken by the stone to reach the ground (10s)
(c) The greatest height of the stone above the ground (281 m)
(d) The speed of the stone on reaching the ground (75 ms-1)
(e) The height of the balloon above the ground at the moment the stone hits the ground.
First part is OK. But the second part is confusing to me because I do not know the actual position of the stone in the balloon. PLZ Help me. THANKS.
(a) The speed of the balloon when the stone is released (25 ms-1)
(b) The time taken by the stone to reach the ground (10s)
(c) The greatest height of the stone above the ground (281 m)
(d) The speed of the stone on reaching the ground (75 ms-1)
(e) The height of the balloon above the ground at the moment the stone hits the ground.
First part is OK. But the second part is confusing to me because I do not know the actual position of the stone in the balloon. PLZ Help me. THANKS.