A 20 N Ball and a 40 N Ball Are

question 22

Multiple Choice

A 20 N ball and a 40 N ball are dropped at the same time from a height of 10 meters. Air resistance is negligible. Which of the following statements is accurate?

• A) After 1 second has elapsed, both balls have the same kinetic energy, since they have the same acceleration.
• B) The heavy ball has a greater acceleration and falls faster.
• C) Both balls hit the ground at the same time but gravity does more work on the heavy ball than on the light ball.
• D) The light ball has a greater speed, since it can accelerate faster than the heavy ball.

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