Questions
A particle executing S.H.M. of amplitude 4 cm and T = 4 sec. The time taken by it to move from positive extreme position to half the amplitude is
detailed solution
Correct option is C
Equation of motion y = a cos ωt⇒ a2 = a cos ωt ⇒cos ωt = 12 ⇒ωt =π3 ⇒ 2πtT = π3 ⇒ t = π3×T2π = 43×2 = 23secTalk to our academic expert!
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The identical springs of constant ‘K’ are connected in series and parallel as shown in figure A mass M is suspended from them. The ratio of their frequencies of vertical oscillations will be
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