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• CBSE×
• Class 11 Science×
• Physics×
• Oscillations×
• Simple Harmonic Motion×

# Simple Harmonic Motion Free Doubts and Solutions

## A uniform circular disc of mass 12 kg is held by 2 identical springs when disc is pressed down slightly and released it executes shm with time period of2 s the force constant of each spring is [2 spring in parallel]n/

Asked by SELVA 6th July 2019, 3:25 PM

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## A particle which is attached to a spring oscillates horizontally with simple harmonic motion with a frequency of 1/Pi Hz and the total energy 10J.If the maximum speed of the particle is 0.4ms^-1,what is the force constant of the spring,what will be the max potential energy of the spring during motion?

Asked by Vidushi412 14th January 2019, 9:43 PM

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## Sir  Why do we use the cosine equation for some SHM problems and sine equation used for some other problems? Can we use both of them interchangeably for the same problem ? If yes then please give an example problem for it.

Asked by Varsneya Srinivas 12th February 2017, 9:41 AM

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## Sir can you please explain me how these functions have been made periodic by taking all assumptions. It is given in the image. Especially the making of the functions f1 (t) and g1(t).

Asked by Varsneya Srinivas 11th February 2017, 8:18 AM

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## A body executes S.H.M under the infuence of one force with a time period of 3 sec and the same body executes a S.H.M with a time period of 4 sec under the influence of second force . When both the forces act simultaneously , the time period of the same body is     A) 7 sec   B) 5 sec   C) 2(3)^1/2 sec   D) 3.4 sec

Asked by Balbir 9th November 2016, 4:10 PM

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## what is the phase of a vibrating particle? please explain with examples.

Asked by bhawnanaman 25th February 2016, 7:00 PM

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## If + ky = 0, what is the time period of motion?

Asked by Topperlearning User 15th May 2015, 10:54 AM

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## If y = sinwt - coswt, show it represents SHM. Find the amplitude and the length of the path.

Asked by Topperlearning User 15th May 2015, 10:51 AM

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## Plot a graph between energy and time for damped oscillations.

Asked by Topperlearning User 15th May 2015, 10:22 AM

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## Plot a graph between displacement and time for damped oscillations.

Asked by Topperlearning User 15th May 2015, 10:20 AM

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## Which of the following functions of time represent : (a) simple harmonic (b) periodic but not simple harmonic (c)  non-periodic motion? where k is a real positive constant. (i)  sin kt+cos kt (ii) 2 sin2kt (iii) e-kt (iv) log kt

Asked by Topperlearning User 15th May 2015, 10:12 AM

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## Given below are x - t plots for linear motion of a particle.  Which of the plots represent periodic motion.  What is the period of motion (in case of periodic motion)?

Asked by Topperlearning User 15th May 2015, 10:00 AM

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## From a fixed support two small isentical spheres are suspended by means of strings of length 1m. THe two strings are pulled aside such that string 1 makes an angle of 30 degrees with the vertical and string 2 makes an angle of 6o degrees and then are released.Point "O" is given to be the mean position.Then the two spheres collide a)at 'O' after 0.25s b)at 'O'after 0.25s c)on the right of 'O' after some time d)on the right hand side of 'O' when the strings are inclined at 15 degrees with the vertical.

Asked by Malavika Umesh 26th April 2015, 7:33 PM

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## Does the time period of a pendulum change if raised by about 1 km?Does the time period of a pendulum change during free fall?

Asked by joykphukan 28th February 2015, 8:17 PM

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## PLEASE GUIDE ME IN OSCILLATION MATHEMATICAL PROBLEMS WHERE TO USE x=Acos omega t and where to use  y=  A Sin omega t

Asked by Kunmunsahoo.2012 17th February 2015, 11:29 PM

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## # Explain with graph & why Two simple harmonic motions may have the same A and φ, but different ω, Two simple harmonic motions may have the same A and ω but different phase angle φ,Two simple harmonic motions may have same ω and φ but different amplitudes?

Asked by Vineeth K 7th February 2015, 5:15 PM

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## Derive the expression A=root(a^2+b^2) where A is amblitude.

Asked by Vineeth K 7th February 2015, 5:12 PM

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## Sir, Derive the expression v(t)=-wA sin (wt + o ) using geometrical argument with steps & Include how the triangles are congurent if in that way.

Asked by Vineeth K 3rd February 2015, 12:14 PM

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## what is EPOCH?

Asked by svmic.dbr 17th October 2014, 12:42 PM

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## Dear Topper These questions are actually a general question which come under practical section and are not exactly from this chapter.The questions are:   1.When an ice cube is kept in the place of a bob in a simple pendulum , what change will happen to the pendulum?Will the length of the pendulum increase or decrease?   2.When a simple pendulum is kept on the moon , what is the difference seen on its speed of oscillation and time period?   3.What type of spring is usedin a shock absorber?Will a rigid spring or a flexible spring have more spring constant?     Please do give me the answers as soon as possible

Asked by Navya Benny 17th September 2014, 7:16 PM

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## Which of the following examples represent (nearly) simple harmonic motion and which represent periodic but not simple harmonic motion? (i)  The rotation of the earth about its axis. (ii)  The motion of an oscillatory mercury column in a U-tube. (iii)  Motion of a ball-bearing inside a smooth curved bowl, when released from a point slightly above the lowermost position. (iv)  General vibration of a polyatomic molecule about its equilibrium configuration.

Asked by Topperlearning User 4th June 2014, 1:23 PM

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## Are tan and cot periodic functions?

Asked by Topperlearning User 4th June 2014, 1:23 PM

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## Write the displacement equation representing the following conditions in a simple harmonic motion : amplitude = 0.01m, frequency = 600 Hz and initial phase =

Asked by Topperlearning User 4th June 2014, 1:23 PM

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## Write four characteristics of SHM.

Asked by Topperlearning User 4th June 2014, 1:23 PM

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## Write the values of amplitude and angular frequency for the following simple harmonic motion : y = 0.2 sin ( 99t + 0.36) The various quantities are in the SI units.

Asked by Topperlearning User 4th June 2014, 1:23 PM

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## If y = sin wt - cos wt, find the amplitude of motion.

Asked by Topperlearning User 12th March 2014, 5:22 PM

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## goodafternoon,Sir/Ma'am,i have a confusion about the value of time period (force law for SHM )

Asked by 3rd March 2008, 12:36 PM