B water c both the same page 7 the gure shows a

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: s, the cart’s acceleration A) points to the left B) is zero C) points to the right t=2s 5cm Do one of these two problems, or both for extra credit. 2 (c) What is the spring constant k of the spring? 2 (d) How fast is the cart moving at t = 1 s? 3 13. A) air In which material is the speed of sound faster? B) water C) both the same Page 7 The figure shows a standing wave on a string. How many antinodes does it have? A) 2 B) 3 C) 4 D) 5 E) 6 Displacement !y (m) 3 14. v = 8m/s Position x (m) 15. The figure shows a snapshot of a wave on a string, moving at 8 m/s to the right. 2 (b) The amplitude A of this wave is A) 0.5 m B) 1 m C) 2 m D) 5 m The wavelength λ of this wave is A) 0.5 m B) 1 m C) 2 m D) 5 m 2 (c) v = 8m/s Position x (m) As this wave moves, how many crests will pass the right-hand border of the graph each second? A) 0.25 3 16. Displacement !y (m) 2 (a) B) 1 C) 2 D) 2.5 E) 4 F) 8 If I pluck a 1 m long string (tied down to two ends), a series of standing waves are set up in the stri...
View Full Document

{[ snackBarMessage ]}

Ask a homework question - tutors are online