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Aarif Chokshi
Asked: 2022-11-07T16:07:02+05:30 In:

The kinetic energy of a lamina moving in its planeis
A. `M(v_(cm)^(2) + K^(2)omega^(2))`
B. `1/2M(v_(CM)^(2) + K^(2)omega^(2))`
C. `1/2komegap^(2)`
D. None of these

The kinetic energy of a lamina moving in its planeis
A. `M(v_(cm)^(2) + K^(2)omega^(2))`
B. `1/2M(v_(CM)^(2) + K^(2)omega^(2))`
C. `1/2komegap^(2)`
D. None of these
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1 Answer

  1. b) if a lamina is moving with `v_(CM)` having angualr velocity `omega`. Then,
    KE = Angular kinetic energy + Translatory kinetic energy
    `=1/2_(CM)omega^(2) + 1/2 mv_(CM)^(2)`
    `=1/2MK^(2)omega^(2) + 1/2 Mv_(CM)^(2) = `1/2 M(K^(2)omega^(2)+ v_(CM)^(2))`

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