1. What is the wavelength of a wave with a speed of 12 m/s and a period of 0.25 s?
2. A wave completes 80 cycles per second. What is the frequency?
3. Waves of frequency 20 Hz are generated along a spring. The distance between successive crests and troughs is 0.45 m. What is the speed of the wave?
4. A ripple with a wavelength of 3 m travels down a rope at a speed of 9 m/s. What is the frequency of the wave?
5. A wave has a frequency of 260 Hz and a wavelength of 2.0 m. What is the speed of the wave?