A 1.0-kg ball is thrown into the air with an initial velocity of 3 m/s. How much kinetic energy does the ball have? A. 4.5 J B. 9.0 J C. 13.5 J D. 18.0 J

Question

asked Jan 9, 2024 105k views

1 Answer

Yuchien · Answer 1 · 2024-01-14T22:03:50+0000

The 1.0-kg ball has a kinetic energy of 4.5 J with an initial velocity of 3 m/s.

The kinetic energy of an object can be calculated using the formula:

KE = 1/2 * mass * velocity^2

In this question, the 1.0-kg ball has an initial velocity of 3 m/s. Plugging these values into the formula, we get:

KE = 1/2 * 1.0 kg * (3 m/s)^2 = 4.5 J

Therefore, the ball has a kinetic energy of 4.5 J.