Asked by violet

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.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
Kinetic energy is KE = 1/2 m v^2. With equal masses and v_A = 3 v_B,

KE_A / KE_B = (1/2 m (3v_B)^2) / (1/2 m v_B^2) = 9.

So Boat A has nine times the kinetic energy of Boat B.