The Success Center Mithi

What is the kinetic energy of a 12 kg body moving at 9 m/s?

A) 486 J

B) 972 J

C) 729 J

D) 243 J

Answer: A

Explanation: Use kinetic energy = ½mv² for the stated idealized conditions. Substitution gives ½ × 12 × 9² = 486 J.

Scroll to Top