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27 February, 16:26

A bicyclist increases her speed from 4.0 m/s to 6.0 m/s. The combined mass of the bicyclist and the bicycle is 55 kg. How much work did the bicyclist do in increasing her speed?

A. 11 J

B. 28 J

C. 55 J

D. 550 J

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Answers (1)
  1. 27 February, 16:40
    0
    Choice-D is the correct one.

    For the solution, see my detailed response

    to the other posting of the same question.
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