# Physics

A wave travels at a speed of 34 cm/s. It’s wavelength is 18 cm. What is the period of the wave?
0.75 s
1.2 s
0.66 s
0.53 s
Regions of compression and rarefaction help define _______.
Electromagnetic waves
Longitudinal waves, but not transverse waves
Transverse waves, but not longitudinal waves
All mechanical waves

1. 👍 0
2. 👎 0
3. 👁 276
1. period is time, so
(18cm) / (34 cm/s) = 18/34 s

consider sound waves vs light waves

1. 👍 1
2. 👎 0
2. Wavelength = V * T = 18.
34 * T = 18,
T = 0.53 s.

1. 👍 1
2. 👎 0

## Similar Questions

1. ### Waves-Science

I had a couple of questions on the topic of Waves-Sound and Light. 1. What is the source of all waves? *Vibration* 2. In one word, what is it that moves from source to receiver in a wave motion? *Energy* 3. Does the medium in

asked by Jordan on January 7, 2010
2. ### Intergarted Science

I had a couple of questions on the topic of Waves-Sound and Light. 1. What is the source of all waves? *Vibration* 2. In one word, what is it that moves from source to receiver in a wave motion? *Energy* 3. Does the medium in

asked by Jordan on January 7, 2010
3. ### Physical science

A wave travels along a string at a speed of 1,5m 1s.if the frequency of the source of the wave is 7,5hz,calculate:(a)the wavelength of the wave..(b)the period of the wave

asked by Brydley on April 18, 2012
4. ### physics

A sound wave travels in air at a frequency of 500 Hz. If part of the wave travels from air into water, does its frequency change? Does its wavelength change? Note that the speed of sound in air is about 340 m/s, whereas the speed

asked by anonymous on March 7, 2007
5. ### Physics Please someone help I don't understand it

A ship mapping the depth of the ocean emits a sound of 37 kHz. The sound travels to the ocean floor and returns 0.65 s later. (a) How deep is the water at that location? m (b) What is the wavelength of the wave in water? cm (c)

asked by Anonymous on April 17, 2012
1. ### physics

A ship mapping the depth of the ocean emits a sound of 37 kHz. The sound travels to the ocean floor and returns 0.65 s later. (a) How deep is the water at that location? m (b) What is the wavelength of the wave in water? cm (c)

asked by Anonymous on April 15, 2012

A ship mapping the depth of the ocean emits a sound of 37 kHz. The sound travels to the ocean floor and returns 0.65 s later. (a) How deep is the water at that location? m (b) What is the wavelength of the wave in water? cm (c)

asked by Anonymous on April 17, 2012
3. ### physics

A ship mapping the depth of the ocean emits a sound of 37 kHz. The sound travels to the ocean floor and returns 0.65 s later. (a) How deep is the water at that location? m (b) What is the wavelength of the wave in water? cm (c)

asked by Anonymous on April 17, 2012
4. ### physics

A ship mapping the depth of the ocean emits a sound of 37 kHz. The sound travels to the ocean floor and returns 0.65 s later. (a) How deep is the water at that location? m (b) What is the wavelength of the wave in water? cm (c)

asked by Anonymous on April 16, 2012
5. ### Physics

A ship mapping the depth of the ocean emits a sound of 37 kHz. The sound travels to the ocean floor and returns 0.65 s later. (a) How deep is the water at that location? m (b) What is the wavelength of the wave in water? cm (c)

asked by Anonymous on April 17, 2012
6. ### physics

An earthquake wave has a wave length of 523m and travels with a speed of 4.6km through a portiin of Earths crust. a) what is its frequency? b) if it travels into a different portion of Earths crust, where its speed is 7.5km/s,what

asked by lenex purre on October 9, 2014

More Similar Questions