A ball is projected vertically upward from the terrace of a building that is above…
PHYSICS · Multi-part · A Level · Physics · Mechanics and materials · Mechanics and materials
Problem
A ball is projected vertically upward from the terrace of a building that is 20m above the ground with an initial speed of 18ms−1. The ball rises to its highest point, then falls past the terrace and finally strikes the ground at the foot of the building.
(a) Maximum height above the terrace
(b) Time to reach maximum height
(c) Total time of flight till the ball reaches the ground
(d) Speed on impact with the ground