A pebble is thrown vertically upward from the base of a tower and is observed to be…
PHYSICS · Multi-part · A Level · Physics · Mechanics and materials · Mechanics and materials
Problem
A pebble is thrown vertically upward from the base of a tower and is observed to be level with the top of the tower after 4.0s. The tower is 60m high. The pebble continues to rise, comes momentarily to rest, and then falls back to the base.
(a) Initial speed
(b) Maximum height above ground
(c) Total time of flight
(d) Speed while crossing the tower top downward