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