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28 May, 16:29

An object moves in a circle. If the mass is tripled, the speed halved, and the radius unchanged then the centripetal force must change by a factor of:

3/2

3/4

9/4

6

12

+5
Answers (2)
  1. 28 May, 16:45
    0
    the correct answer is 3/4.
  2. 28 May, 16:57
    0
    Answer: 3/4

    Explanation:

    Fc = mv^2/r

    Applying the condition will give

    Fc = 3mv^2/4r
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