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