# Homework 39 - portillo (gdp347) homework 39 Turner (58185)...

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portillo (gdp347) – homework 39 – Turner – (58185) 1 This print-out should have 13 questions. Multiple-choice questions may continue on the next column or page – fnd all choices beFore answering. 001 10.0 points A ±owerpot is knocked o² a balcony 30 . 7 m above the sidewalk and Falls toward an un- suspecting 1 . 86 m tall man who is standing below. How close to the side walk can the ±ower pot Fall beFore it is too late For a warning shouted From the balcony to reach the man in time? Assume that the man below requires 0 . 416 s to respond to the warning, and the velocity oF sound in air to be 340 m / s. The acceleration oF gravity is 9 . 8 m / s 2 . Answer in units oF m. 002 10.0 points Sound waves travel through a liquid oF density 1530 kg / m 3 at a speed oF 9940 m / s. What is the bulk modulus oF this liquid? Answer in units oF Pa. 003 10.0 points A harmonic wave y = A sin[ k x ω t φ ] , where A = 1 m, k has units oF m 1 , ω has units oF s 1 , and φ has units oF radians, is plotted in the diagram below.

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## This note was uploaded on 01/25/2012 for the course CHEM 302 taught by Professor Mccord during the Spring '10 term at University of Texas at Austin.

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Homework 39 - portillo (gdp347) homework 39 Turner (58185)...

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