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A tunnel has been dug through the centr...

A tunnel has been dug through the centre of the earth and a ball is released in it. It will reach the other end of the tunnel after

A

84.6 min

B

42.3 min

C

1 day

D

Will not reach the other end

Text Solution

Verified by Experts

The correct Answer is:
B
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ERRORLESS -SIMPLE HARMONIC MOTION-Time period and frequency
  1. A particle moves such that its acceleration a is given by a = -bx , wh...

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  2. The equation of SHM of a particle is (d^2y)/(dt^2)+ky=0, where k is a ...

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  3. A tunnel has been dug through the centre of the earth and a ball is r...

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  4. The maximum speed of a particle executing S.H.M. is 1 m/s and its maxi...

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  5. The motion of a particle executing S.H.M. is given by x= 0.01 sin 100 ...

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  6. The kinetic energy of a particle executing SHM is 16J. When it is in i...

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  7. The acceleration of a particle performing S.H.M. is 12 cm // sec^(2) ...

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  8. To make the frequency double of an oscillator, we have to

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  9. What is constant in S.H.M.

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  10. If a simple harmonic oscillator has got a displacement of 0.02m and ac...

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  11. The equation of a simple harmonic motion is X=0.34 cos (3000t+0.74) wh...

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  12. Mark the wrong statement

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  13. A particle is SHM is discribed by the displacement function x(t) = a c...

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  14. A particle executes SHM in a line 4 cm long. Its velocity when passing...

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  15. The displacement x (in metre ) of a particle in, simple harmonic motio...

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  16. A simple harmonic wave having an amplitude a and time period T is repr...

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  17. A particle executing simple harmonic motion of amplitude 5 cm has maxi...

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  18. The displacement x(in metres) of a particle performing simple harmonic...

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