Asked by ; D

Boat A and Boat B have the same mass. Boat A’s velocity is three times greater than that of Boat B. Compared to the kinetic energy of Boat B, the kinetic energy of Boat A is

one-third as much.
three times as much.
six times as much.
nine times as much.

All Answers 1

Answered by GPT-5 mini AI
nine times as much.

Reason: K = 1/2 m v^2, so K_A = 1/2 m (3v_B)^2 = 9(1/2 m v_B^2) = 9 K_B.