Question

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

Answer 1

Answer:

A pendulum oscillates 40 times in 4 seconds. Find its time period and frequency. Frequency of oscillations is the number of oscillations of a vibrating object per second. Therefore frequency is = 40 vibrations /4 seconds= 10 Hertz.

Answer 2

Answer:

Frequency=10Hz

Time Taken=0.1 sec

Explanation:

Frequency = number of oscillates/ time taken

number of oscillation= 40 times

time taken. = 4 sec

So, f = 40/4= 10Hz

time period = 1/ frequency

So, T = 1/10 = 0.1 sec

So, Frequency = 10Hz

Time Period = 0.1sec

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