Rotation 5 Question 18

30. The loss of kinetic energy during the above process is

(a) Iω22

(b) Iω23

(c) Iω24

(d) Iω26

(2007,4 M)

Integer Answer Type Question

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Answer:

Correct Answer: 30. (b)

Solution:

  1. Loss of kinetic energy =KiKf

=12I(2ω)2+12(2I)(ω)212(3I)43ω2=13Iω2



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