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Question

The maximum speed of a particle executing SHM is 1 ms1 and maximum acceleration is 1.57 ms2. Its frequency is:

A
0.25 s1
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B
2 s1
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C
1.57 s1
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D
2.57 s1
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Solution

The correct option is A 0.25 s1
Let the angular frequency of the oscillation be ω
Maximum acceleration a=ω2A where A is the amplitude of oscillation
Maximum velocity v=ωA
ω=av

ω=1.571=1.57 rad/s
Frequency of oscillation ν=ω2π=1.572×3.14=0.25 s1

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