The acceleration of a particle is a=−100x+50. It is released from x=2 Here a and x are in SI units:
A
the particle will perform SHM of amplitude 2m
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B
the particle will perform SHM of amplitude 1.5m
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C
the particle will perform SHM of time period 0.63s
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D
the particle will have a maximum velocity of 15m/s
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Solution
The correct options are B the particle will perform SHM of time period 0.63s C the particle will have a maximum velocity of 15m/s D the particle will perform SHM of amplitude 1.5m a=0 at x=0.5m and particle is released from x=2m Hence, A=2−0.5=1.5m ω2=100 ∴ω=10rad/s T=2πω=2π10 =0.63s vmax=ωA=(10)(1.5) vmax=15 m/s