A ball is thrown upwards with an initial velocity of 20 m/s. How long will it take for the ball to reach its maximum height?
Q1. A ball is thrown upwards with an initial velocity of 20 m/s. How long will it take for the ball to reach its maximum height?
Answer: 4 s
Explanation: The time it takes for the ball to reach its maximum height can be calculated using the equation v = u - gt, where v is the final velocity, u is the initial velocity, g is the acceleration due to gravity, and t is the time, giving a time of 4 s.