Question: 1; A simple pendulum is 1.65 meters long and has a period of 4.17 seconds. The pendulum is on an unknown planet. What is the
1;
A simple pendulum is 1.65 meters long and has a period of 4.17 seconds. The pendulum is on an unknown planet. What is the acceleration of gravity of the Unknown Planet?
(Express your answer in m/s2).
________
2;
How are frequency and period related?
A: They are directly proportional.
B: They measure the same quantity.
C: They are inversely proportional.
D: Their sum is constant.
3;
What is period?
A: It is the same as the wave speed.
B: The time required for one full cycle.
C: A disturbance that travels through a medium from place to place.
D: A measure of the number of waves that pass a point in a given amount of time.
5:
A pendulum swings back and forth once every 5.3 seconds. What is its frequency?
(Express your answer in Hz).
_________
6:
A pendulum completes 4.4 cycles every second. What is its period?
(Express your answer in s).
___________
7:
A wave enters a new medium. The wave . . .
A: does not change speed
B: speeds up
C: slows down
D: either slows down or speeds up
8:
What is frequency?
A: A disturbance that travels through a medium from place to place.
B; The time required for one full cycle.
C: It is the same as the wave speed.
D: A measure of the number of waves that pass a point in a given amount of time.
9:
As distance from the source decreases, the amplitude of a sound wave ___________________.
A: decreases
B: does not change
C: increases
10;
A wave has a frequency of 8.0 Hz and a wavelength of 4.0 meters. What is the period of the wave?
(Express your answer in s).
___________
11;
A pendulum completes 1.5 cycles every second. What is its period?
(Express your answer in s).
___________
12;
A tennis coach paces back and forth along the sideline 15 times in 2 minutes. The frequency of her pacing is _________________ Hz.
13;
Calculate the speed of sound on a day when a 1350 Hz frequency has a wavelength of 0.275 m.
(Express your answer in m/s).
____________
14;
What type of wave requires a medium to travel through?
A: mechanical
B: electromagnetic
C
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