Two Balls, a and B, of Mass M and 2m

question 6

Multiple Choice

Two balls, A and B, of mass m and 2m respectively, are carried to height h at constant velocity, but B rises twice as fast as A. The work the gravitational force does on B is

• A) one quarter the work done on A.
• B) one half the work done on A.
• C) the same as the work done on A.
• D) twice the work done on A.
• E) four times the work done on A.

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