Question

A person sticks their arm out over a 32 m tall building and throws a 260 gram brick straight upward, then pulls their arm in so that the brick doesn't strike their arm when the brick falls back down. The speed of the brick is 29 m/s at the instant just before the brick touches the ground at the base of the building.

What is the largest elevation the brick had as measured from the base of the building?

30 to 35 meters

45 to 50 meters

greater than 50 meters

less than 30 meters

35 to 40 meters

40 to 45 meters

Answer 1

NOW, Largest elevation of brick, H = 42.9 m so, answer is 40 to 45 metres