Question

A ball is dropped from the top of a building. What is the velocity of the ball after 4.2 seconds

Answer 1

41.16 m/s

Step-by-step explanation:

Final velocity is equal to gravity multiplied by time; v = gt

Gravity is always 9.8 m/s/s (m/s^2), so

v = 9.8 * 4.2

v = 41.16