1) A0.1 kg object oscillates as a simple harmonic motion along the x-axis with a frequency/=3.185 Hz. At a position x, the object has a kinetic energy of 0.7J and a potential energy 0.3 J. The amplitude of oscillation, A, is: (a) 0.12 m (b)0.22 m (c) 0.31 m (d)0.42 m

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Chapter15: Oscillatory Motion
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Problem 15.4P: In an engine, a piston oscillates with simpler harmonic motion so that its position varies according...
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PHYS220 Spring/20-21 Practice Sheet-1 Keys
1) A0.1 kg object oscillates asa simple harmonic motion along the x-axis witha frequency/= 3.185 Hz.
At a position X, the object has a kinetic energy of 0.7 J and a potential energy 0.3J. The amplitude of
oscillation, A, is:
(a) 0.12 m
(b) 0.22 m
(c) 0.31 m
(d)0.42 m
2) A block of mass m is attached to a spring with foce Constant, k and oscillate at a frequency/Ahe
mass is changed to m' m/2, and the sprig force is changed to k 2k, then the new frequency/of
The oscillation would be.
Transcribed Image Text:PHYS220 Spring/20-21 Practice Sheet-1 Keys 1) A0.1 kg object oscillates asa simple harmonic motion along the x-axis witha frequency/= 3.185 Hz. At a position X, the object has a kinetic energy of 0.7 J and a potential energy 0.3J. The amplitude of oscillation, A, is: (a) 0.12 m (b) 0.22 m (c) 0.31 m (d)0.42 m 2) A block of mass m is attached to a spring with foce Constant, k and oscillate at a frequency/Ahe mass is changed to m' m/2, and the sprig force is changed to k 2k, then the new frequency/of The oscillation would be.
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