The piston in the cylinder head of a locomotive has a stroke (twice the amplitude) of 1.0 m. If the piston moves with simple harmonic motion with an angular frequency of 200 rad/min, what is the maximum speed?

1. 100 m/min

2. 200 m/min

3. 300 m/min

4. 50 m/min

Subtopic:  Simple Harmonic Motion |
 66%
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A horizontal plank has a rectangular block placed on it. The plank starts oscillating vertically and simple harmonically with an amplitude of 40 cm. The block just loses contact with the plank when the later is momentarily at rest. Then

1. the period of oscillation is 2π/3

2. the block weighs double its weight when the plank is at one of the positions of momentary at rest.

3. the block weighs 1.5 times its weights on the plank halfway down

4. the block weighs more than its true weight on the plank when the latter moves fastest

Subtopic:  Simple Harmonic Motion |
 55%
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A body has a time period T1 under the action of one force and T2 under the action of another force, the square of the time period when both the forces are acting simultaneously in the same direction is

1. T12T22

2. 2T12T22

3. T12+T22

4. T12T22/(T12+T22)

Subtopic:  Simple Harmonic Motion |
 72%
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Motion of an oscillating liquid column in a U-tube is:

1. periodic but not simple harmonic

2. non-periodic

3. simple harmonic and time period is independent of the density of the liquid

4. simple harmonic and time-period is directly proportional to the density of the liquid

Subtopic:  Simple Harmonic Motion |
 58%
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This time period of a particle undergoing SHM is 16s. It starts motion from the mean position. After 2s, velocity is 0.4 ms-1. The amplitude is:

1. 1.44m

2. 0.72m

3. 2.88m

4. 0.36m

Subtopic:  Simple Harmonic Motion |
 68%
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A particle is performing simple harmonic motion along the x-axis with amplitude 4 cm and time period 1.2 s. The minimum time taken by the particle to move from x=+2 cm to x=+4cm and back again is given by:

1. 0.4 sec

2. 0.3 sec

3. 0.2 sec

4. 0.6 sec

Subtopic:  Simple Harmonic Motion |
 51%
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The acceleration of a particle performing SHM is 12 cm sec-2 at a distance of 3 cm from the mean position. Its time period is:

1. 2.0s

2. 3.14s

3. 0.5s

4. 1.0s

Subtopic:  Simple Harmonic Motion |
 89%
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The acceleration d2x/dt2 of a particle varies with displacement x as d2xdt2=-kx

where k is a constant of the motion. The time period T of the motion is equal to :

1. 2πk

2. 2πk

3. 2π/k

4. 2π/k

Subtopic:  Simple Harmonic Motion |
 87%
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A coin is placed on a horizontal platform, which undergoes horizontal SHM about a mean position O. The coin placed on the platform does not slip, the coefficient of friction between the coin and the platform is μ. The amplitude of oscillation is gradually increased. The coil will begin to slip on the platform for the first time:

1. at the mean position

2. at the extreme position of oscillations

3. for an amplitude of μg/ω2

4. for an amplitude of g/μω2

Subtopic:  Simple Harmonic Motion |
 72%
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A particle moves according to the law, \(x = r \mathrm{cos}\left(\frac{\pi t}{2}\right )\). The distance covered by it in the time interval between \(t=0\) to \(t = 3~\text{s}\) is:
1. \(r\)
2. \(2r\)
3. \(3r\)
4. \(4r\)

Subtopic:  Simple Harmonic Motion |
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