# 1.calculate the speed of waves in water that are 0.4m apart and have a frequency of 2hz? 2....

## Question:

1.calculate the speed of waves in water that are 0.4m apart and have a frequency of 2hz?

2. sound waves travel at approximately 340m/s,

a. what is the wavelength of a sound with a frequency of 20Hz?

b. what is the wavelength of a sound with a frequency of 20 kHz?

3. A bat flying in a cave emits a sound pulse and receives its echo in one second. how far away is the cave wall?

## Waves:

Waves have two types, longitudinal and transform, both types follow the same mathematics. All waves carry energy as they move through their perspective mediums.

## Answer and Explanation: 1

Become a Study.com member to unlock this answer! Create your account

View this answer#### Speed

The speed of a wave is defined as:

{eq}v = \lambda \times f \\ \lambda = wavelength \\ f = frequency {/eq}

{eq}v = 0.4(2) = 0.8...

See full answer below.

#### Ask a question

Our experts can answer your tough homework and study questions.

Ask a question Ask a question#### Search Answers

#### Learn more about this topic:

from

Chapter 5 / Lesson 4Learn about the speed of sound and the speed of sound formula and equation. Discover how fast sound travels in different matters and temperatures like water.

#### Related to this Question

- A sound with a frequency of 261.6 Hz travels through water at a speed of 1435 m/s. What is the wavelength of the wave?
- A sound wave moving through water has a frequency of 256 Hz and a wavelength of 5.77m. What is the speed of sound in water?
- What is the speed of a water wave of frequency 2 Hz and wavelength 1.5 m?
- A water wave has frequency 0.40 Hz and wavelength 2.0 m. What is its speed?
- Electromagnetic waves and sound waves can have the same frequency. (a) What is the wavelength of a 1.00-kHz electromagnetic wave? (b) What is the wavelength of a 1.00-kHz sound wave? (The speed of s
- A sound wave of wavelength 0.808 m and velocity 333 m / s is produced for 0.616 s. What is the frequency of the wave?
- A sound wave of frequency 500 Hz travels from air into water. The speed of sound in air is 330 ms-1 and in water 1490 ms-1. What is the wavelength of the wave in (a) air and (b) water?
- What frequency sound has a 0.10-m wavelength when the speed of sound is 340 m/s?
- What is the speed of a sound wave if its frequency is 160 Hz and its wavelength is 2.2 m?
- What is the wavelength of a sound wave with a frequency of 440 Hz if the speed of sound in air is 340 m / s?
- What is the frequency of a sound wave in air at 20 C that has a wavelength of 0.4 m?
- a) At 20^{\circ}C, what is the frequency of a sound wave in air with a wavelength of 17.0 cm? b) What is the frequency of an electromagnetic wave with a wavelength of 17.0 cm? c) What would be the wavelength of a sound wave in water with the same frequenc
- If the wave speed is 6 m/s and wavelength is 1 m, what is the wave's frequency?
- If a wave had a speed of 100 m/s and a wavelength of 200 m, what is the frequency of the wave?
- A sound wave has a wavelength of 0.66 meters. If the frequency of the wave is 512 Hz (high C), what is the wave velocity?
- What is the wavelength of each of these sound waves? For sound waves with a speed of 344 m/s and frequencies of (a) 20 Hz and (b) 20 kHz.
- A sound wave with frequency of 312 Hz and a speed of 343 m/s in air propagates into a large tank of water. Knowing the speed of sound in water is 1480 m/s, what is the wavelength of the sound in the water?
- If the wavelength of the sound wave is 1.3 meters, what is the frequency?
- Suppose the water waves have a velocity of 1.2 m per s and wavelength of 2.4 m. What is the frequency of the waves?
- What is the speed of a wave whose frequency is 9.00 Hz and wavelength is 0.654 m?
- A certain ocean wave has a wavelength of 0.3 m and a frequency of 5 Hertz. What is the speed of this wave?
- A sound wave of wavelength 0.90 m and a velocity of 330 m/s is produced for 2.0 seconds. What is the frequency of the wave?
- An ocean wave has a wavelength of 10 m and a frequency of 4.0 hz. What is the velocity of the wave?
- A sound wave has a frequency of 1996 Hz. What is the distance between crests or compressions of the wave? (Take the speed of sound to be 344 m/s.) (in m)
- A sound wave has a frequency of 1995 Hz. What is the distance between crests or compressions of the wave? (Take the speed of sound to be 344 m/s.)
- A sound wave has a frequency of 2003 Hz. What is the distance between crests or compressions of the wave? ( Take the speed of sound to be 344 m/s.)$
- A sound wave coming from a tuba has a wavelength of 1.50 m and travels to your ears at a speed of 345 m/s. What is the frequency of the sound you hear?
- A water wave oscillates up and down three times each second. The distance between wave crests is 2 m. a. what is its frequency? b. what is its wavelength? c. what is its wave speed?
- Given the speed of sound is 331 m/s in air, and a sound wavelength of 7.11 m, what is the frequency of the sound in Hz?
- What is the frequency of a sound wave in air at 20^{\circ}C that has a wavelength of 0.4 m?
- What is the wavelength of a sound wave with a frequency of 440 Hz if the speed of sound in air is 340 meters per second?
- How fast does a 200-Hz sound wave with a wavelength of 1.7 m travel?
- If a wave has a frequency of 10 Hz and a wavelength of 100 m, what is this wave's velocity?
- A sound wave, of frequency 500 hertz, covers a distance of 1000m, in 5 sec. What is the wavelength?
- (a) What is the frequency of an electromagnetic wave with a wavelength of 20 cm? (b) What would be the wavelength of a sound wave in water with the same frequency as the electromagnetic wave of part (
- A sound wave has a frequency of 1640 Hz. The air temperature is 46 ^\circ F. a. What is the speed of the sound wave? and b. What is the wavelength of the sound wave?
- When the speed of sound is 340 m/s, what is the wavelength (in m) of a 750 Hz sound?
- What is the wavelength in meters of a sound wave in air having a frequency of 440 Hz ?
- A transverse wave has a wavelength of 0.43 m and a frequency of 14 Hz. What is the wave speed?
- A sound wave in a solid has a frequency of 15.0 kHz and a wavelength of 0.333 m. (a) What would be the wave speed, and how much faster is this speed than the speed of sound in air?
- A sound wave in a solid has a frequency of 15.0 KHz and a wavelength of 0.333 m. What would be the wave speed and how much faster is this speed than the speed of sound in air?
- A sound wave with frequency of 312 Hz and a speed of 343 m/s in air propagates into a large tank of water. Knowing the speed of sound in water is 1480 m/s, what is the wavelength of the sound in air?
- The speed at which a wave propagates down a string is 300 m/s. If the frequency of this wave is 150 Hertz, what is the wavelength of this wave?
- A water wave has a velocity of 5 fraction{m}{s} and the distance between each crest is 2.0 m. What is the frequency of the water wave?
- The speed of sound in sea water is 1530 m / s. The wavelength of wave transmitted through the sea is 0.02 m. Find it's frequency.
- If velocity of a wave is 0.15 m/s and the frequency is 20 HZ, what is its wavelength?
- A certain AM radio wave has a frequency of 550 kHz (kilo-hertz) and travels with a speed of 3.0\times10^8 m/s. What is the wavelength of such a wave?
- Sound waves in iron have a speed of about 5100 m/s. If the waves have a frequency of 400 Hz, what is their wavelength?
- Suppose that water waves coming into a dock have a velocity of 1.0 \frac{m}{s} and a wavelength of 2.2 m. With what frequency do these waves meet the dock?
- What is wavelength of wave that has a frequency of 1 Hz and travels at 300,000 km / s?
- A sound wave with frequency of 312 Hz and a speed of 343 m/s in air propagates into a large tank of water. Knowing the speed of sound in water is 1480 m/s, what is the frequency of the sound in the water?
- What frequency of sound travels in air at 20 degree C has a wavelength equal to 1.7m?
- As sound travels from air into water its speed increases. What will happen to its wavelength and frequency?
- A water wave has frequency 0.40 Hz and wavelength 2.0 m. Calculate its speed.
- If a wave is coming in with a velocity of 10 m/s and it has a wavelength of 5 m, what is its frequency?
- A wave of wavelength 52 cm travels with frequency 400 Hz. What is the speed of the wave?
- A sound wave in the air has a frequency of 276 Hz and travels with a speed of 341 m/s. How far apart are the wave crests (compressions)?
- A sound wave in the air has a frequency of 240 Hz and travels with a speed of 334.7 m/s. How far apart are the wave crests (compressions)?
- A sound wave in air has a frequency of 262 \ Hz and travels with a speed of 349 \ m/s. How far apart are the wave crests (compressions)?
- The velocity of sound in a certain medium is 1000 m / s. If sound wave has a frequency of 500 HZ, the wavelength would be what?
- A water wave passes a boat every 30 seconds. What is the frequency of the waves in hz?
- If a radio wave has speed 3.00 \times 10^8 m/s and frequency 99.7 MHz, what is its wavelength?
- A sound with a wavelength of 5.1 c m travels through air at 346 m / s before entering water where its speed increases to 1497 m / s . a) What is the frequency of the sound wave in the air? b) What is the frequency of the sound wave in the wat
- 1. A sound wave with a frequency of 440 Hz has a wavelength of 0.77 meters. Find the speed of sound in m/s. 2. Ocean waves are measured to be traveling at 1.5 m/s. If their wavelength is 2.0 meters,
- A periodic wave with wavelength \lambda =1\:m has frequency f= 3\: Hz. What is the wave's speed?
- Given that the speed of light is 2.998 times 10^8 m / s, what is the frequency of a wave that has a wavelength of 3.55 times 10^{-8} meters?
- A water wave has a frequency of 9.0 Hz and a wavelength of 5.0 m. a) What is the period (in seconds) of these waves? b) What is the wave velocity in m/s?
- The speed of sound in a solid medium is 15 times greater than that in air. If the frequency of a wave in the solid is 20 kHz, then what is the wavelength?
- The speed of sound in a solid medium is 15 times greater than that in air. If the frequency of a wave in the solid is 11 kHz, then what is the wavelength?
- If the velocity of a wave is 0.15m/s, and the frequency is 20Hz, what is the wavelength?
- Sonar is a device that uses reflected sound waves to measure underwater depths. If a sonar signal has a frequency of 288 Hz and the speed of sound in water is 1.27 x 10^{3} m/s, what is the wavelength
- What is the speed of a wave that has a wavelength of 3 cm and a frequency of 200 Hz? How far would that wave travel in 60 seconds?
- If a radio wave has speed 3.00 x 10^8 m/s and frequency 99.7 MHz, what is its wavelength?
- What is the wavelength of a 40 Hz wave traveling at 500 m/s?
- If the speed of a longitudinal wave is 340 meters/sec, and the freq is 500 Hz, what is the wavelength of the wave?
- How do you calculate the wave speed of waves that are 0.15 m apart, and have a frequency of 2 Hz? Wavelength is given, frequency is given. frequency*wavelength = wave speed. Thanks a whole lot
- A water wave has frequency 0.40 Hz and wavelength 2.0m. Its speed is ..
- A tsunami traveling across deep water can have a speed of 750 km / h and a wavelength of 350 km. (a) What is the frequency of such a wave?
- A tsunami traveling across deep water can have a speed of 750 km/h and a wavelength of 350 km. What is the frequency of such a wave?
- Suppose that a sound has a frequency of 110 wave/s and a wavelength of 3.1 meters. Calculate the wave-speed.
- A 501 Hz sound wave travels through a substance. The wavelength of the sound wave is measured to be 2.1 meters. What is the speed of sound in the substance?
- You observe that 32 crests of a water wave pass you each minute. If the wavelength is 10 m, what is the speed of the wave?
- 1.) A sound wave with wavelength ?0 and frequency f0 moves into a new medium in which the speed of sound is v1=4.00v0. What is the new wavelength of ?1? What is the new frequency of f1? Which one of t
- A water wave oscillates up and down 390 times in 20 seconds. The distance between adjacent wave crests is 2.9 meters. What is the frequency of this wave (in Hz)?
- A sound wave with a frequency of 440 Hz has a wavelength of 0.77 meters. Find the speed of sound in m/s.
- If the wavelength of a sound wave in an unknown material is 20 centimeters and the frequency is 1700 Hz. What is the speed of the sound wave?
- What is the speed of a periodic wave disturbance that has a frequency of 2.58 Hz and a wavelength of 0.33 m?
- What is the speed of a periodic wave disturbance that has a frequency of 2.88 Hz and a wavelength of 0.606 m?
- What is the wavelength of radio waves of frequency 1400 kHz?
- What is the wavelength of radio waves with a frequency of 107.1 MHz?
- The sound bats make has a wavelength of around 0.0063 m. If the speed of sound in air is 340 m/s, what is the frequency of this wave?
- If an electromagnetic wave has a frequency of 200 Megahertz (\mathrm{MHz}), what is its wavelength?
- A wave with a frequency of 90.0 Hz travels through steel with a wavelength of 3.46 m. What is the speed of this wave?
- A sound wave has frequency of 631 Hz and a wavelength of 0.54 m in air. What is the temperature of the air? Assuming the velocity of sound at 0 ^\circ C is 334 m/s.
- A wave has a speed of 240 m/s and a wavelength of 3.2 m. What are a) the frequency and b) the period of the wave?
- A 380-Hz sound travels through pure hydrogen. The wavelength of the sound is measured to be 3.38 m. What is the speed of sound in hydrogen?
- What is the frequency of wavelength 5.5cm traveling at a speed of 1.6m/s?
- What is the difference between speed = distance/time and wave speed = frequency \times wavelength?
- If a wave has a frequency of 24 Hz and a wavelength of 15 m, how do you calculate the speed of the wave?
- If a wave has a frequency of 24 Hz and a wavelength of 15m, how do you calculate the speed of the wave?