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Equal Amounts of Work Are Performed on Two Bodies, a and B

Question 49

Multiple Choice

Equal amounts of work are performed on two bodies, A and B, initially at rest, and of masses M and 2M respectively. The relation between their speeds immediately after the work has been done on them is


A) vA =
Equal amounts of work are performed on two bodies, A and B, initially at rest, and of masses M and 2M respectively. The relation between their speeds immediately after the work has been done on them is A) v<sub>A</sub> = v<sub>B</sub>. B) v<sub>A</sub> = 2v<sub>B</sub>. C) v<sub>A</sub> = v<sub>B</sub>. D) v<sub>B</sub> = v<sub>A</sub>. E) v<sub>B</sub> = 2v<sub>A</sub>. vB.
B) vA = 2vB.
C) vA = vB.
D) vB =
Equal amounts of work are performed on two bodies, A and B, initially at rest, and of masses M and 2M respectively. The relation between their speeds immediately after the work has been done on them is A) v<sub>A</sub> = v<sub>B</sub>. B) v<sub>A</sub> = 2v<sub>B</sub>. C) v<sub>A</sub> = v<sub>B</sub>. D) v<sub>B</sub> = v<sub>A</sub>. E) v<sub>B</sub> = 2v<sub>A</sub>. vA.
E) vB = 2vA.

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