Question

A pendulum oscillates 40 times in 4 seconds.Find its time period and frequency​

Answer 1

Frequency is defined as the number of oscillations per unit time. Time = 4 sec. Time Period = (4/40) = 0.1 sec. Frequency = (Number of Oscillations)/ (Time taken)Frequency = (40/4) =10Hz.

Answer 2

Answer:

here is ur answer!

= 10Hz

plz look at above pic.

hope this will helps u....be happy....

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