Question

A ball is thrown upwards and it returns to ground describing a parabolic path. Which of the following remains constant?

• A. Vertical component of velocity
• B. Speed of the ball
• C. Kinetic energy of the ball
• D. Horizontal component of velocity

Answer 1

Answer: (D)

In a parabolic projectile motion, horizontal component of the velocity remains constant provided the air resistance is negligible.