Questions:
1) What is the velocity of a wave with a wavelength of 5.0 m and a frequency of 0.7 Hz?
2) What is the frequency of a wave with a wavelength of 8 m and a velocity of 20 m/s?
3) What is the velocity of a wave with a wavelength of 15 cm and a frequency of 5.2 kHz?
4) What is the frequency of a wave with a period of 25 ms?