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A baseball (m = 0.15 kg) is thrown straight upward with an initial velocity of 20 m/s. Assume air resistance is negligible and the distance the ball travels is small compared to the radius of the Earth.

Which of the following is TRUE regarding the gravitational force acting on the baseball?

A

The gravitational force acting on the baseball remains constant through the ball's flight.

B

The gravitational force acting on the baseball is weakest when the ball is initially released.

C

The gravitational force acting on the baseball is greatest when the ball reaches its greatest height.

D

The gravitational force acting on the baseball is weakest when the ball reaches its greatest height.

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