A student wants to determine the effect of mass on kinetic energy. She will drop two balls of the same size into a pool of water. Which investigation method should the student use?(1 point) Responses She should drop two balls of the same mass from different heights. She should drop two balls of the same mass from different heights. She should drop two balls with different masses from different heights. She should drop two balls with different masses from different heights. She should drop two balls of the same mass from the same height. She should drop two balls of the same mass from the same height. She should drop two balls with different masses from the same height.

1 answer

To determine the effect of mass on kinetic energy, the student should drop two balls with different masses from the same height. This way, the only variable that changes is the mass of the balls, allowing her to observe how the differing masses affect the kinetic energy when they hit the water. Therefore, the correct response is:

She should drop two balls with different masses from the same height.