Waves Exam Prep (Math)

The period of a pendulum is 10 s. What is its frequency?

• 10 Hz

• 1 Hz

• 0.5 Hz

• 0.1 Hz

Frieda the fly flaps her wings back and forth 100 times each second.  The period of her wings flapping is:

• 100 s
• 0.01 s
• 0.01 Hz
• 100 Hz

Tags

NGSS.HS-PS4-1

A tennis coach paces back and forth along the sideline 10 times in 60 seconds.  The frequency of her pacing is:

• 0.167 Hz
• 6.0 Hz
• 0.167 s
• 6.0 s

Tags

NGSS.HS-PS4-1

A pendulum makes 33 complete back and forth cycles of vibration in 11 seconds. Its period is

• 3.0 s

• 3.0 Hz

• 0.33 s

• 0.33 Hz

Tags

NGSS.HS-PS4-1

After closing a deal with a client, Kent leans back in his swivel chair and spins around with a frequency of 0.5 Hz. What is Kent’s period of spin?

• 120 s

• 0.0083 s

• 0.5 s

• 2 s

A boy notices that 45 complete waves travel past him in ninety seconds.  What is the frequency of these water waves?

• 100 m
• 1 Hz
• 0.5 Hz
• 1m/s

Tags

NGSS.HS-PS4-1

What is the speed of a 20 Hz with a 4m wavelength?

• 0.2 m/s
• 5 m/s
• 80 m/s
• 320 m/s

Tags

NGSS.HS-PS4-1

What is the frequency of a wave traveling at 300 m/s with a 4 m wavelength?

• 0.013 Hz
• 75 Hz
• 300 Hz
• 1200 Hz

Tags

NGSS.HS-PS4-1

A wave has wavelength of 10 m and a speed of 340 m/s. What is the frequency of the wave?

• 34 m/s
• 3400 Hz
• 3400 m/s
• 34 Hz

Tags

NGSS.HS-PS4-1

One end of the rope is vibrated to produce a wave with a wavelength of .25 m.  The Frequency of the wave is 3.0 Hz.  What is the speed of the wave?

• 3.00 m/s
• 2.50 m/s
• .75 m/s
• 1.25 m/s

Tags

NGSS.HS-PS4-1