The variation of acceleration, \(a\) of a particle executing SHM with displacement \(x\) is:
1.
2.
3.
4.
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The motion of a particle varies with time according to the relation \(y= a\sin\omega t+ a\cos \omega t\). Then:
1.
the motion is oscillatory but not SHM.
2.
the motion is SHM with an amplitude \(a\sqrt{2}\).
3.
the motion is SHM with an amplitude \(\sqrt{2}\).
4.
the motion is SHM with an amplitude \(a\).
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The displacement of a particle executing SHM is given by y = 0.25 (sin 200t) cm. The maximum speed of the particles is:
1. 200 cm/sec
2. 100 cm/sec
3. 50 cm/sec
4. 0.25 cm/sec
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A particle undergoes SHM with a time period of 2 seconds. In how much time will it travel from its mean position to a displacement equal to half of its amplitude?
1.
2.
3.
4.
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A second's pendulum is mounted in a rocket. Its period of oscillation decreases when the rocket:
1. Comes down with uniform acceleration
2. Moves around the earth in a geostationary orbit
3. Moves up with a uniform velocity
4. Moves up with the uniform acceleration
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PMT - 1994
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