A mass m is attached to a spring of force constant 75 N/m and allowed to oscillate. Figure below show a graph of its velocity v, as a function of time t. v, (cm/s) 20 10 (s) -10 |0.2 Q.6 1.0 1.4 1.8 -20 Which statement(s) is/are correct about the oscillation? A. The period is 1.6 s. B. The amplitude is 5.1 cm. C. The graph can be expressed by v-(t) = 20 cos 1.25nt in cm/s D. m is 4.9 kg. %3D

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Chapter1: Units, Trigonometry. And Vectors
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A mass m is attached to a spring of force constant 75 N/m and allowed to oscillate.
Figure below show a graph of its velocity vz as a function of time t.
v, (cm/s)
20
10-
t (s)
-10 0.2 0.6 1.0 1.4 1.8
-20
Which statement(s) is/are correct about the oscillation?
A. The period is 1.6 s.
B. The amplitude is 5.1 cm.
C. The graph can be expressed by v,(t) = 20 cos 1.25Tt in cm/s
D. m is 4.9 kg.
Transcribed Image Text:A mass m is attached to a spring of force constant 75 N/m and allowed to oscillate. Figure below show a graph of its velocity vz as a function of time t. v, (cm/s) 20 10- t (s) -10 0.2 0.6 1.0 1.4 1.8 -20 Which statement(s) is/are correct about the oscillation? A. The period is 1.6 s. B. The amplitude is 5.1 cm. C. The graph can be expressed by v,(t) = 20 cos 1.25Tt in cm/s D. m is 4.9 kg.
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