Two Balls Have the Same Shape and Size but One

question 29

Multiple Choice

Two balls have the same shape and size but one is denser than the other. If frictional forces are negligible when they are dropped in air, which has the greater acceleration?

• A) The heavier ball
• B) The lighter ball
• C) They have the same acceleration
• D) The heavier ball if atmospheric pressure is high, they lighter ball if it is low
• E) The lighter ball if atmospheric pressure is high, the heavier ball if it is low

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