1. A pendulum has a period of 0.25 seconds. The frequency of this pendulum is a.

Question

1. A pendulum has a period of 0.25 seconds. The frequency of this pendulum is
a. 25 seconds. c. 4 hertz.
b. 0.25 hertz. d. 2 hertz.





2. Out of amplitude, weight, and string length, which has the greatest impact on period length?
a. Weight.
b. Amplitude
c. String length
d. All have the same impact





3. . A mass oscillates on the end of a spring with a period of 4.0 seconds. What is the frequency of the oscillator?
a. 0.25 hertz
b. 0.50 hertz
c. 2.0 hertz
d. 5.0 hertz



4. If you double the frequency of a pendulum, what happens to the period of one cycle?
a. The period is 1/4 its original time.
b. The period is 1/2 its original time.
c. The period stays the same.
d. The period doubles.

Explanation / Answer

1. frequency = 1/period = 1/0.25 s = 4 Hz The answer is c. 4 hertz 2. Weight and string length have no effect on the period. Thus, the answer is b. amplitude. 3. frequency = 1/period = 1/4 s = 0.25 Hz The answer is a. 0.25 hertz 4. frequency = 1/period Thus, if frequency is doubled, the period is 1/2 its original time. Thus, the answer is b. The period is 1/2 its original time. Hope this helped, and don't forget to rate please! :)

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