QUESTION 1 2 points Save Anewer The main factor which effects the speed of a sound wave is the O amplitude of the sound wave O intensity of the sound wave O loudness of the sound wave O properties of the medium O pitch of the sound wave QUESTION 2 2 points Save Anewer Consider the motion of waves in a wire. Waves will travel fastest in a - wire. O tight and heavy O tight and light O loose and heavy O loose and light QUESTION 3 2 points Save Anewer A 40.0-cm long plastic tube is open at both ends and resonating in its first harmonic. The wavelength of the sound which will produce this resonance is _ 10.0 cm O 20.0 cm O 40.0 cm O 80.0 cm 160 cm QUESTION 4 2 points Save Anawar Two tuning forks with frequencies of 256 Hz and 258 Hz are sounded at the same time. Beats are observed; 2 beats will be heard in 2 5. O True O False QUESTION 5 3 points Save Anewer A guitar string has a mass of 32.4 g and a length of 1.12 m. The string is pulled to a tension of 621 N. Determine the speed at which vibrations move within the string. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). BIYS Paragraph Aria 10pt Ev x X2 O D WORDS POWERED BY TINYQUESTION 6 3 points Save Anewer An organ pipe is used to produce the lowest note audible to the human ear - 20.-Hz. If the temperature is 25 :C, then how long is the organ pipe? (First decide whether it will produce this low note as a closed- or as an open-end air column.) For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). BIYS Paragraph W Arial 10pt A T. x X, 1 1 0 9 () (:) WORDS POWERED BY TINY