10:42 PM Tue Apr 26 . . . @ 53% TO + Wave 4 a) How many waves are there in this wave train? b) Wavelength ( 5 cm c) Amplitude _ cm d) frequency Hz e.) speed cm/s Wave 5 If this entire wave train is 30 meters long what is the wavelength of this wave? abutilamA noloveW hooge m/s) 6. What is the wavelength of a sound wave with a frequency of 50 Hz? (Speed of sound is 342 2 = V 842 mls - 6.84 7. A sound wave in a steel rail has a frequency of 620 Hz and a wavelength of 10.5 m. What is the speed of sound in steel? 2 = 4 7 10.5m - 620 = 6510 8. Determine the frequency of a microwave 6.0 cm in length. (A microwave is an electromagnetic wave. It travels through space at a speed of 3.0 x 10 8 m/s) MK 060m = 3x105 3 x 108 9. What is the period of the microwave in problem 3? provided. 10. The illustration below shows a series of transverse waves. Label each part in the space a crest b WAvelength 2 Cycle d 4 Trough Waves +