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write the answer on 2 marks
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Answer: It's time period will be twenty seconds
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Answer:
2 sec
Explanation:
frequency=no of oscillations/time taken
freq=20/40
=1/2
T=2π/w
w=2πn (n =frequency)
=2π*1/2
=π
w=π
T=2π/π
=2sec
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