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 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 different heights.
She should drop two balls with different masses from different heights.
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 the same height.
She should drop two balls of the same mass from different heights.
Which falling object will result in the least kinetic energy when it collides with the ground?(1 point)
Responses
100 grams of dirt falling at 15 m/s
100 grams of dirt falling at 15 m/s
10 grams of dirt falling at 2 m/s
10 grams of dirt falling at 2 m/s
100 grams of water falling at 10 m/s
100 grams of water falling at 10 m/s
10 grams of water falling at 1 m/s