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A pendulum clock in an elevator ticks with a period of T=1.7 s when the elevator...

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Physics

A pendulum clock in an elevator ticks with a period of T=1.7 swhen the elevator is at rest. The elevator starts to move and theperiod increases to Tnew = 1.87 s.

1. How is the elevator moving? Select the correct answer:

a) accelerating, upward

b) accelerating, downward

c) constant speed, upward

d) constant speed, downward

2. Identify the correct acceleration for the elevator. You mustshow your work to get credit for your selection.

a) 1.7 m/s^2

b) -0.89 m/s^2

c) 2.06 m/s^2

d) 0.89 m/s^2

e) -1.7 m/s^2

Answer & Explanation Solved by verified expert
3.8 Ratings (368 Votes)
The period of the pendulum is given bywhere g is acceleration due to gravity When g decreases the timeperiod T increasesAnd as the elevator moves downward    See Answer
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