A compact car and a trailer truck are both traveling at the same velocity. Which has more kinetic energy?

1. The trailer truck has more kinetic energy.

The compact car has more kinetic energy.

Both have the same kinetic energy.

KE is 1/2 mass*v^2

which has more KE?

To determine which vehicle has more kinetic energy, we need to understand the factors that contribute to the calculation of kinetic energy. Kinetic energy (KE) is given by the equation KE = 1/2 * mass * velocity^2.

Assuming that the compact car and the trailer truck are both traveling at the same velocity, the only variable that can affect their kinetic energy is their mass.

In general, trailer trucks are significantly larger and heavier than compact cars, so they have a higher mass. Since kinetic energy directly depends on mass, the trailer truck would have more kinetic energy compared to the compact car if they are traveling at the same velocity.

Therefore, the correct answer is:

1. The trailer truck has more kinetic energy.