Equations y=2Acos2ωt and y=A(sinωt+√3cosωt) represent the motion of two particles.
Only one of these is S.H.M
Ratio of maximum speeds is 2:1
Ratio of maximum speeds is 1:1
Ratio of maximum accelerations is 1:4
A
Only one of these is S.H.M
B
Ratio of maximum speeds is 2:1
C
Ratio of maximum speeds is 1:1
D
Ratio of maximum accelerations is 1:4
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Solution
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y=2Acos2ωt⇒y=A(cos2ωt+1)⇒y−A=Acos2ωt⇒A1=A;ω1=2ωy=A(sinωt+√3cosωt)⇒y=2A(12sinωt+√32cosωt)⇒y=2Asin(ωt+π3)⇒A2=2A;ω2=ω Ratio of maximum speeds=A1ω1A2ω2=A(2ω)(2A)ω=11
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