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An object completes 2500 cycles in 25 s.
a. What is the period of its rotation?
b. What is the frequency of its rotation?

Sagot :

Abidemiokinidn

Answer:

a) 0.01s

b) 100Hz

Explanation:

Period is defined as the time taken by a wave to complete 1 oscillation.

Since the object completes 2500 cycles in 25secs, we can write

2500cycles = 25secs

1 cycle = x

Cross multiply

2500x = 25

x = 25/2500

x = 0.01secs

Hence the period of its rotation is 0.01secs

b)  is the reciprocal of the period

Frequency = 1/Period

Frequency = 1/0.01

Frequency = 100Hertz

Hence the frequency of rotation is 100Hz

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