14 Pages

# Homework 9 - Solutions

Course Number: PHY 303K, Spring 2008

College/University: University of Texas

Word Count: 3681

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homework 09 FRENNEA, KYLE Due: Mar 28 2007, 4:00 am Solution: Horizontally Question 1 part 1 of 1 10 points Two ice skaters approach each other at right angles. Skater A has a mass of 72.5 kg and travels in the +x direction at 2.88 m/s. Skater B has a mass of 62.5 kg and is moving in the +y direction at 0.982 m/s. They collide and cling together. Find the final speed of the couple. Correct answer: 1.6121 m/s...

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University of Texas - PHY - 303K
homework 08 FRENNEA, KYLE Due: Mar 23 2007, 5:00 am Question 1 part 1 of 3 10 points Two small spheres of mass m1 and m2 are suspended from the ceiling at the same point by massless strings of equal length . The lighter sphere is pulled aside throu
University of Texas - PHY - 303K
homework 04 FRENNEA, KYLE Due: Feb 13 2007, 4:00 am Question 1 part 1 of 1 10 points A boat moves through the water of a river at 14.5 m/s relative to the water, regardless of the boat's direction. If the current is flowing at 12.3 m/s, how long do
University of Texas - PHY - 303K
oldmidterm 04 FRENNEA, KYLE Due: Apr 28 2007, 4:00 am Question 1 part 1 of 1 10 points Given: G = 6.6726 10-11 N m2 /kg2 Three 3 kg masses are located at points in the x-y plane as shown in the figure. and has magnitude mm f2 = G 2 y G m2 = y2 (6.
University of Texas - PHY - 303K
homework 03 FRENNEA, KYLE Due: Feb 7 2007, 4:00 am Question 1 part 1 of 2 10 points A descent vehicle landing on the moon has a vertical velocity toward the surface of the moon of 28 m/s. At the same time, it has a horizontal velocity of 46 m/s. At
University of Texas - PHY - 303K
quiz 03 VENNES, ROSS Due: Nov 14 2007, 10:00 pm Question 1, chap 9, sect 1. part 1 of 1 10 points Given: G = 6.673 10-11 N m2 /kg2 Two balls, each with a mass of 0.885 kg, exert a gravitational force of 8.30 10-11 N on each other. How far apart a
University of Texas - PHY - 303K
homework 01 FRENNEA, KYLE Due: Jan 25 2007, 4:00 am1
University of Texas - PHY - 303K
homework 13 VENNES, ROSS Due: Nov 30 2007, 1:00 am Question 1, chap 17, sect 2. part 1 of 1 10 points A rifle is fired in a valley with parallel vertical walls. The echo from one wall is heard 1.04 s after the rifle was fired. The echo from the oth
University of Texas - PHY - 303K
homework 09 VENNES, ROSS Due: Nov 2 2007, 1:00 am Question 1, chap 12, sect 2. part 1 of 2 10 points A record has an angular speed of 44.2 rev/min. What is its angular speed? Correct answer: 4.62862 rad/s (tolerance 1 %). Explanation: 1 rev = 6.28
University of Texas - PHY - 303K
quiz 01 VENNES, ROSS Due: Sep 19 2007, 10:00 pm Question 1, chap 1, sect 6. part 1 of 1 10 points A plastic tube allows a flow of 13.6 cm3 /s of water through it. How long will it take to fill a 204 cm3 bottle with water? 1. 13.6538 s 2. 14.0881 s
University of Texas - PHY - 303K
homework 11 VENNES, ROSS Due: Nov 16 2007, 1:00 am Question 1, chap 15, sect 2. part 1 of 1 10 points The equation of motion of a simple harmonic oscillator is d2 x = -9 x , dt2 where x is displacement and t is time. What is the period of oscillati
University of Texas - PHY - 303K
homework 10 VENNES, ROSS Due: Nov 9 2007, 1:00 am Question 1, chap 11, sect 3. part 1 of 1 10 points A uniform disk of radius 4.7 m and mass 9.1 kg is suspended from a pivot 0.799 m above its center of mass. The acceleration of gravity is 9.8 m/s2
University of Texas - PHY - 303K
quiz 02 VENNES, ROSS Due: Oct 17 2007, 10:00 pm Question 1, chap 6, sect 1. part 1 of 1 10 points A box weighing 660 N is pushed along a horizontal floor at constant velocity with a force of 240 N parallel to the floor. What is the coefficient of k
University of Texas - PHY - 303K
homework 02 FRENNEA, KYLE Due: Jan 31 2007, 4:00 am 2 m/s2 ), Question 1 part 1 of 4 10 points Consider the plot below describing the acceleration of a particle along a straight line with an initial position of -32 m and an initial velocity of -5 m
University of Texas - PHY - 303K
homework 12 VENNES, ROSS Due: Nov 21 2007, 1:00 am Question 1, chap 16, sect 2. part 1 of 1 10 points What is the frequency corresponding to a period of 0.01 s? Correct answer: 100 Hz (tolerance 1 %). Explanation: Let : t = 0.01 s . 1 1 = 100 Hz .
University of Texas - PHY - 303K
homework 08 VENNES, ROSS Due: Oct 26 2007, 1:00 am Question 1, chap 11, sect 4. part 1 of 1 10 points An open cart on a level surface rolls without frictional loss through a downpour of rain. The rain falls vertically downward as shown below. As th
University of Texas - PHY - 303K
homework 07 VENNES, ROSS Due: Oct 19 2007, 1:00 am %). Question 1, chap 9, sect 1. part 1 of 1 10 points According to some nineteenth-century geological theories (now largely discredited), the Earth has been shrinking as it gradually cools. If so,
University of Texas - PHY - 303K
homework 01 VENNES, ROSS Due: Sep 7 2007, 1:00 am Question 1, chap 1, sect 6. part 1 of 1 10 points A piece of pipe has an outer radius, an inner radius, and length as shown in the figure below. Question 2, chap 1, sect 6. part 1 of 2 10 points1
University of Texas - PHY - 303K
homework 06 VENNES, ROSS Due: Oct 12 2007, 1:00 am Question 1, chap 8, sect 1. part 1 of 1 10 points The figure below shows a rough semicircular track whose ends are at a vertical height h. A block placed at point P at one end of the track is relea
University of Texas - PHY - 303K
homework 04 VENNES, ROSS Due: Sep 28 2007, 1:00 am Question 1, chap 5, sect 1. part 1 of 2 10 points Four forces act on a hot-air balloon, as shown from the side. 264 N 264 N39 2 N1118 N252 N 118 N 115 N 252 N 115 NScale: 100 N Basic Conce
University of Texas - PHY - 303K
homework 03 VENNES, ROSS Due: Sep 21 2007, 1:00 am Question 1, chap 4, sect 3. part 1 of 2 10 points A particle travels horizontally between two parallel walls separated by 18.4 m. It moves toward the opposing wall at a constant rate of 7.6 m/s. Al
University of Texas - PHY - 303K
homework 05 VENNES, ROSS Due: Oct 5 2007, 1:00 am Question 1, chap 7, sect 1. part 1 of 2 10 points A 15.5 kg block is dragged over a rough, horizontal surface by a constant force of 177 N acting at an angle of 32.8 above the horizontal. The block
University of Texas - PHY - 303K
midterm 02 FRENNEA, KYLE Due: Mar 7 2007, 11:00 pm1Mechanics - Basic Physical ConceptsMath: Circle: 2 r, r2 ; Sphere: 4 r2 , (4/3) r3 b2 Quadratic Eq.: a x2 + b x + c = 0, x = -b 2 a-4 a cCartesian and polar coordinates: y x = r cos , y
University of Texas - PHY - 303K
homework 07 FRENNEA, KYLE Due: Mar 7 2007, 4:00 am Question 1 part 1 of 1 10 points On the way from a planet to a moon astronauts reach a point where that moon's gravitational pull is stronger than that of the planet. The masses of the planet and t
University of Texas - PHY - 303K
homework 02 VENNES, ROSS Due: Sep 14 2007, 1:00 am For the entire trip, Question 1, chap 2, sect 1. part 1 of 1 10 points The average speed of an orbiting space shuttle is 21900 mi/h. The shuttle is orbiting about 227 mi above the Earth's surface.
University of Texas - PHY - 303K
Conclusion: In this lab, we determined the speed of a glider as it slid down a frictionless incline. By observing the initial speed, the final speed, and the time taken to complete this path we can determine the acceleration of the cart, which should
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BOOLEAN ALGEBRAS Important class of algebras extensively used for many purposes1 Basis of the switching algebra (SA) for formal treatment of switching circuits: Transformation of switching expressions Identities from BA enable graphical and ta
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4.31 z = x + y; cout &lt; +z; 4.27/ * / File: bintodec.cpp / / Binary to Decimal - User inputs an integer as a binary number, / / / Author: Benjamin Jones / Created: 28 January 2008 / Updated: Original / / Assignment: 4.27 / Compiler: MinGW32 G+ 3.4.2
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Benjamin Jones 02/14/08 Final Report Laboratory 6 Program Source Code Header File:/ * / File: findroots.h / / Stats of a list of data - User enters a number to take a root of, the root / to take of that number, a desired precision, and the program w
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Cincinnati - ECEE - 120
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Cincinnati - ECEE - 120
Example Output
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