A ball is thrown upward with an initial velocity of 30 m/s. What is its velocity after 2 seconds?
Q1. A ball is thrown upward with an initial velocity of 30 m/s. What is its velocity after 2 seconds?
Answer: 20 m/s
Explanation: Velocity decreases due to acceleration due to gravity, which equals 30 m/s - 9.8 m/s^2 * 2 s.