A periodic transverse wave is established on a string such that there are exactly two cycles traveling along a 3.0-m section of the string. The crests move at 20.0 m/s.

14. What is the frequency of the wave?
(a) 0.67 Hz (c) 13 Hz (e) 57 Hz
(b) 1.33 Hz (d) 30 Hz

15. What is the shortest horizontal distance from a crest to a point of zero acceleration?
(a) 0.38 m (c) 1.5 m (e) 6.0 m
(b) 0.75 m (d) 3.0 m

16. How long does it take a particle at the top of a crest to reach the bottom of an adjacent trough?
(a) 0.018 s (c) 0.075 s (e) 0.30 s
(b) 0.038 s (d) 0.150 s

Question

A periodic transverse wave is established on a string such that there are exactly two cycles traveling along a 3.0-m section of the string.  The crests move at 20.0 m/s.  
	
14.	What is the frequency of the wave?
	(a)	0.67 Hz	(c)	13 Hz	(e)	57 Hz
	(b)	1.33 Hz	(d)	30 Hz

15.	What is the shortest horizontal distance from a crest to a point of zero acceleration?
	(a)	0.38 m	(c)	1.5 m	(e)	6.0 m
	(b)	0.75 m	(d)	3.0 m

16.	How long does it take a particle at the top of a crest to reach the bottom of an adjacent trough?
	(a)	0.018 s	(c)	0.075 s	(e)	0.30 s
	(b)	0.038 s	(d)	0.150 s

anonymous · Answer

please show equations used as well as worked out problems! thank you