Andrea was watching her brother in the ocean and noticed that the waves were coming into the beach at a frequency of 0.578947 Hz. How many waves hit the beach in 19 s? Answer in units of waves.

A bat uses echolocation to detect prey as small as about 1 wavelength of the sound of a bat call. Assume a bat produces a sound with a frequency of 59.3 kHz, and the speed of sound in air is 339 m/s. What is the length (in mm) of the smallest prey the bat can detect? mm

A student under water clicks two rocks together and makes a sound with a frequency of 639.0 Hz and a wavelength of 2.4 m. What is the speed of this underwater sound? m/s

A supersonic airplane has a speed of 1.5 times the speed of sound. If an observer is 5 km from the plane, how long will it take to hear the plane's sound? (It is known that the speed of sound in air is 335 m/s) a. 10.0 seconds b. 11.1 seconds c. 14.9 seconds d. 16.4 seconds e. 17.1 seconds

32. To navigate, a porpoise emits a sound wave that has a wavelength of 1.5 cm. The speed at which the wave travels in seawater is 1522 m/s. Find the period of the wave.

Cicadas produce a buzzing sound that has a wavelength in air of 2.69 m. If the speed of sound in air is 346 m/s, what is the frequency of the sound produced by a cicada? What is its period?

A water wave travelling in a certain direction has a wavelength of 10.5 mm, a speed of 7.1 m/s and an amplitude of 5 mm. Calculate the frequency of the wave.

A 4.2 Hz continuous wave travels on a Slinky. If the wavelength is 0.61 m, what is the speed of waves on the Slinky (in m/s)?

you are sitting on a beach and a wave strikes the shore every 10 seconds. a surfer tells you that these waves travel at a speed of of 5m/s. how far apart are the crests of the waves, i.e what is the wavelength of these water waves? give your answer in meters

A 4.4 Hz continuous wave travels on a Slinky. If the wavelength is 0.57 m, what is the speed of waves on the Slinky (in m/s)?