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Question

The maximum velocity and acceleration of a particle in S.H.M. are 100 cms/sec and 157 cm/sec2 respectively. The time period in seconds will be:

A
4
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B
1.57
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C
0.25
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D
1
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Solution

The correct option is A 4
Maximum velocity byV=ωA2x2
V/max=ωA20=Aω
acceleration a=ω2x
a/max=ω2A
value is |a|=ω2A
ratio is Vmax|a|=AωAω2=1ω
So putties values 100cm/s157cm/s2=1ω
ω=1.57/sec
Time period T=2πω=1.57×41.57=4sec
2π=2×3.14
=4×1.57

1187774_1105934_ans_b758748ea90048f2950707d5cbadae3a.jpg

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