Questions
A 4 kg particle is moving along the x-axis under the action of the force . At t = 2 sec, the particle passes through the origin and at t = l0 sec its speed is m/s. The amplitude of the motion is:
detailed solution
Correct option is A
a = -(π264)x ⇒ω = π264 = π8⇒T = 2πω = 16 sec.There is a time difference of T2 between t = 2 sec to t = l0 sec. Hence particle is again passing through the mean position of SHM where its speed is maximum.i.e., Vmax= Aω = 42⇒A = 42π8 = 322πm.Talk 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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