Physics Question?

👨🏻‍🏫 學術台物理學

[匿名]

2016-07-25 5:35 am

A ceiling fan has a diameter of 1.80 m and makes 100 revolutions every minute. What is the period of the fan?

a. 100 s
b. 60 s
c. 0.60 s
d. 1.7 s

回答 (2)

不用客氣

2016-07-25 5:55 am

The period is independent of the diameter of the fan.

Period
= (1 min) / 100
= (60 s) / 100
= 0.60 s

Answer : c. 0.60 s

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oubaas

2016-07-25 6:36 am

f = 100/60 = 10/6 of sec
T = 1/f = 6/10 = 0.6 sec

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