4. A ball is thrown up with an initial velocity 20 m/s. Using g=10m/s2. a) what's the maximum height it can reach? b) Wh
Posted: Mon Jul 18, 2022 5:54 am
4. A ball is thrown up with an initial velocity 20 m/s. Using g=10m/s2. a) what's the maximum height it can reach? b) What are the magnitude and direction of the ball's velocity 1 second after it is thrown? c) What are the magnitude and direction of the ball's velocity 3 seconds after it is thrown? 5. The projectile motion can be considered as a combination of horizontal and vertical motions. Describe horizontal motion and vertical motion, respectively.