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Oscillations Te...

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  • Question 1
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    uniform rod of mass m and length I is suspended about its end. Time period is

  • Question 2
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    The system shown in lying on a smooth horizontal surface. Mass $$m$$ is constrained to move along the line $$3$$. Springs $$1$$ and $$2$$ at right angles with respect to one another are symmetrically arranged with respect to $$3$$ which is an elastic cord. The force constants of $$1,2$$ and $$3$$ are $$k$$ each and they are all just taut in the condition shown. For small oscillations of $$m$$ along $$3$$, time period is

  • Question 3
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    A block of mass $$m$$ is suspended from one end of a light spring as shown. The origin $$O$$ is considered at distance equal to natural length of spring from ceiling and vertical downward direction as positive $$Y-axis.$$ When the system is in equilibrium a bullet of mass $$m / 3$$ moving in vertical upward direction with velocity $$v _ { 0 }$$ strikes the block and embeds into it. As a result, the block (with bullet embedded into it) moves up and starts oscillating.
    Mark out the correct statements:

  • Question 4
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    The differential equation representing the SHM of a particule is $$\cfrac {{9d^2y}} {dt^2} +4Y=0.$$The time period of the particle is fiven by

  • Question 5
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    Two point masses of 3.0 kg and 6.0 kg are attached to opposite ends of horizontal sprig whose spring constant is 300 N$$m^{-1}$$ as shown in the figure. The natural vibration frequency of the system is approximately.

  • Question 6
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    Two masses $${m_1}$$ and $${m_2}$$ are joined by a spring as shown. The system is dropped to the ground from a certain height. The spring will be :-

  • Question 7
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    A horizontal force $$F$$ is applied to the lower end of a uniform thin rod of mass $$4kg$$ and length $$L = 50\ cm$$ as shown in the figure. The rod undergoes only translational motion along the smooth horizontal surface. If $$F = 60\ N$$ determine the angle $$\theta$$ for translation motion of the rod. $$(g =10\ m/s^{2})$$.

  • Question 8
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    Two particles are executing identical simple harmonic motions described by the equations, $$x_1=a\cos \left(\omega t+\left(\dfrac{\pi}{6}\right)\right)$$ and $$x_2=a\cos \left(\omega t+\dfrac{\pi}{3}\right)$$. The minimum interval of time between the particles crossing the respective mean position is?

  • Question 9
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    The potential energy of a particle executing SHM along the x-axis is given by $$U=U_0-U_0\cos ax$$. What is the period of oscillation?

  • Question 10
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    At some instant, velocity and acceleration of a particle of mass '$$m$$' in SHM are '$$a$$' and '$$b$$' respectively. If its angular frequency is $$\omega,$$ then its maximum K.E. is

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