Show:
Vocabulary!
Wave Speed Problems
Properties of Mechanical Waves!
Mechanical Waves!
100
A disturbance in matter that carries energy from one place to another
What is a mechanical wave
100

One end of a rope is vibrated to produce a wave with a wavelength of 0.25 meter. The frequency of the wave is 3.0 hertz. What is the speed of the wave?

What is 0.75 m/s

100
The number of complete cycles in a given time
What is frequency
100
the material through which a wave travels is called a _____
What is a medium
200

Standard unit that measures frequency

What is a hertz

200
A wave on a rope has a wavelength of 2.0 m and a frequency of 2.0 Hz. What is the speed of the wave?
What is 4.0 m/s
200
the speed of a wave can change if it enters a new _____
What is a medium
200

What are the two types of waves we studied in class?

Transverse Waves and Longitudinal Waves
300
An area where the particles in a medium are spaced close together
What is compression
300
A motorboat is tied to a dock with its motor running. The spinning propeller makes a surface wave in the water with a speed of 18 m/s and a wavelength of 0.4 m. What is the frequency of the wave?
What is 45 Hz
300
the distance between a point on a wave and the same point on the next cycle of that wave
What is wavelength
300
the highest point of a wave above the rest position is called the ________, and the lowest is called the ______.
What is the crest and the trough
400

Which type of mechanical wave causes matter to vibrate parallel to the direction the wave travels

longitudinal wave

400

What is the speed of a wave in a spring if it has a wavelength of 10 cm and a frequency of 3 Hz?

What is 30 cm/s

400
the more energy a wave has, the greater its _______ is
What is amplitude
400
Which type of mechanical wave causes the medium to vibrate at right angles to the direction in which the wave travels
What is a transverse wave
500

The area where the particles of the medium are spread farther apart.

What is rarefaction

500
While wading in shallow waters, six waves crashed into Ava's legs in a 48-second span. What is the frequency of the waves?
What is 8 Hz
500

If you increase the frequency of a wave, what happens to the wavelength?

The wavelength decreases

500

A wave is a disturbance that transfers ___________ from one place to another.

energy