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What is the length of the pendulum

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A grandfather clock is controlled by a swinging brass pendulum that is 1.6 m long at a temperature of 28°C.

(a) What is the length of the pendulum rod when the temperature drops to 0.0°C? (Give your answer to at least four significant figures.) 
 mm 

(b) If a pendulum's period is given by 
T = 2π
image L/g
,
 where L is its length, does the change in length of the rod cause the clock to run fast or slow? 
    

 

asked Dec 15, 2017 in Physics by shahemaabdelhady (400 points)

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