Question

Q 5. A simple pendulum completes 20 oscillations in 30s. How much
4 2
o
time does it take to move from an extreme position to the mean position?​

Answer 1

Answer:

20 oscillations in 30 seconds

1 oscillation in 30/20 = 1.5 seconds

1.5 = 4t

t = 1.5/4 = 0.375 s

It takes 0.375 seconds to move from an extreme position to mean position.

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Answer 2

Answer:

20 oscillation in 30sec.

1 oscillation in 30/20sec. =1.5 sec

42 oscillation=630