309Ltest1spring2010 - m . What is the speed of the waves...

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

View Full Document Right Arrow Icon
PHYSICS 309L, TEST 1, SPRING 2010 1) A person is creating a standing wave in a cylinder that is open at one end and closed at the other end. The height of the cylinder is 50 cm. What is the wavelength of the fundamental standing wave? Given the speed of sound, 340 m/s , what is the frequency of this wave? 2) A skipper on a boat notices wave crests passing his anchor chain every 4 s .He estimates the distance between the wave crests to be 16
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: m . What is the speed of the waves based on his estimates? 3) A bat ying in a cave emits a sound and receives its echo 0 . 2 s later. How far away is the cave wall? Use for the speed of sound, 340 m/s . 4) By what distance must two charges of +4 C be separated so that the repulsive force between them is 3 . 6 10 10 N Coulombs constant k = 9 10 9 Nm 2 /C 2...
View Full Document

This note was uploaded on 10/20/2011 for the course PHY 309L taught by Professor Sai during the Spring '08 term at University of Texas at Austin.

Ask a homework question - tutors are online