An object is attached to the bottom of a light vertical spring and set vibrating with time period 628 millisecond. The maximum speed of the object is 15 cm/sec and the amplitude in centimeters is
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a
3.0
b
2.0
c
1.5
d
1.0
answer is C.
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Detailed Solution
Maximum velocity, vmax = Aωor vmax= A(2πT) A = vmaxT2π = 15×628×10-32×3.14 = 1.5 cm