question archive A bell is rung when the dangling clapper within it makes contact with the bell
A bell is rung when the dangling clapper within it makes contact with the bell
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A bell is rung when the dangling clapper within it makes contact with the bell. A poorly designed bell has a clapper that swings with the same period as the the bell. How can this design be improved? Justify your answer with the equation for the period of a pendulum.
(a.)Use a clapper with a smaller mass on the end so it is out of period with the bell.
(b.)Use a clapper with a bigger mass on the end so it is out of period with the bell.
(c.) Force the bell to swing with greater amplitude.
(d.)Use a longer clapper so it is out of period with the bell.
(e.)Increase the mass of the bell so it makes better contact with the clapper.
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Answer: (d.)Use a longer clapper so it is out of period with the bell.
Step-by-step explanation
Time period of a simple pendulum is given by:
T = Sqrt( L/g)
L = length of pendulum
g = gravitational acceleration
Hence changing the length of the pendulum will change the time period, as a result it will be out of period with the bell.
