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Solution to chosen problems Chapter 11
27. ORGANIZE AND PLAN We are given values for wavelength and frequency and asked to determine wave speed. We will employ the fundamental relationship: v f SOLVE Plugging in values: Part (a): v 155 m 0365 Hz 0566 m/s
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Solution to chosen problems Chapter 10
29. ORGANIZE AND PLAN The person's goal is to change his volume so that it equals 65 L (that is the volume of 65 kg of water). If we first calculate the volume of the person with 2.4 L in his lungs, the amount of ai
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User name: Husam Abu-Safe Book: Essential College Physics: Volume 1 Page: 239 No part of any book may be reproduced or transmitted by any means without the publisher's prior permission. Use (other than qualified fair use)
Solution to chosen problems Chapter 9
40. ORGANIZE AND PLAN The centripetal acceleration of the Earth is [Eq. 1] (also see Eq. 4.9) v2 a R where R is the radius of the Earth's orbit and v is its orbital velocity. Since the orbit is nearly circular, v may
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User name: Husam Abu-Safe Book: Essential College Physics: Volume 1 Page: 218 No part of any book may be reproduced or transmitted by any means without the publisher's prior permission. Use (other than qualified fair use)
Solution to chosen problems Chapter 8
33. ORGANIZE AND PLAN The E. Coli.'s flagellum spins at some 100 rev/s, or more than 600 rad/s. We need only convert the centrifuge spin rate into comparable units. Known: 3000 rpm. SOLVE Converting the given spin ra
Solution to chosen problems Chapter 12
25. ORGANIZE AND PLAN We convert F to C using:
T C
SOLVE REFLECT
5 T F 32 9
T C
5 5 F 32 15 C 9
32F corresponds to 0C, the temperature at which water freezes.
42.
ORGANIZE AND PLAN We use a spreadsheet program and
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User name: Husam Abu-Safe Book: Essential College Physics: Volume 1 Page: 301 No part of any book may be reproduced or transmitted by any means without the publisher's prior permission. Use (other than qualified fair use)
11/29/2012
Chapter 9 Gravitation
Newton's Law of Universal Gravitation
Newton's insight: The force accelerating an apple downward is the same force that keeps the Moon in its orbit. Hence, Universal Gravitation.
Newton's Law of Universal Gravitation
The g
11/18/2012
Chapter 8 Rotational Motion
Galaxy
Rotational motion is everywhere in our universe, on every scale of length and time. A galaxy like this one may take millions of years to complete a single rotation about its center.
Angular Position, Velocity,
11/8/2012
Chapter 7 Oscillations
Periodic Motion
Period: time required for one cycle of periodic motion Frequency: number of oscillations per unit time
This unit is called the Hertz:
Simple Harmonic Motion
A spring exerts a restoring force that is proport
11/1/2012
Chapter 6 Linear Momentum and Collisions
Linear Momentum
Momentum is a vector; its direction is the same as the direction of the velocity.
Linear Momentum
Change in momentum: (a) mv (b) 2mv
1
11/1/2012
Example 9-1 Duck, Duck, Goose: Adding Momen
10/29/2012
Chapter 5 Work and Kinetic Energy
Units of Chapter 7
Work Done by a Constant Force Kinetic Energy and the Work-Energy Theorem Work Done by a Variable Force Power
7-1 Work Done by a Constant Force
The definition of work, when the force is paral
Solution to chosen problems Chapter 13
36. ORGANIZE AND PLAN We will convert the gravitational potential energy ( Ugrav mgh ) into food calories, using 1 Cal 4186 J. Known: m 70 kg, h 2200 m. SOLVE The energy needed to climb 2200 meters is:
1 Cal U grav
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Solution to chosen problems Chapter 7
39. ORGANIZE AND PLAN We are given the mass (in grams) and the frequency in seconds and asked to find the spring constant in a mass-spring system. We will first convert the frequency to period: T = f 1 The relationsh
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Published OnlineFirst September 30, 2010; DOI:10.1158/1078-0432.CCR-10-1102
Dual Inhibition of PI3K and mTORC1/2 Signaling by NVP-BEZ235 as a New Therapeutic Strategy for Acute Myeloid Leukemia
Nicolas Chapuis, Jerome Tamburini, Alexa S. Green, et al. Cli
Physics 202 Winter 2012 NAME
Midterm Exam #2
Partl Multiple Choice Questions
1) 8 The Tonga Trench in the Pacic Ocean is 36,000 feet deep. Assuming that
sea water has an average" density of 1.04 g/cm3, calculate the absolute pressure at the
bottom of th
CPI Summer-I 2012 Exam 1 Name_
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. [15 points] 1) The density of a solid object is defined as the ratio of the mass of the object to its volume. The dimensi
ConcepTest 13.1a Harmonic Motion I
A mass on a spring in SHM has amplitude A and period T. What is the total distance traveled by the mass after a time interval T? 1) 0 2) A/2 3) A 4) 2A 5) 4A
In the time interval T (the period), the mass goes through one
ConcepTest 9.1 Rolling in the Rain
An open cart rolls along a frictionless track while it is raining. As it rolls, what happens to the speed of the cart as the rain collects in it? (assume that the rain falls vertically into the box) Since the rain falls
ConcepTest 7.1 To Work or Not to Work
Is it possible to do work on an object that remains at rest? 1) yes 2) no
Work requires that a force acts over a distance. If an object does not move at all, there is no displacement, and therefore no work done.
Conce
Question 4.1 Newton's First Law I
A book is lying at rest on a table. The book will remain there at rest because: a) there is a net force but the book has too much inertia b) there are no forces acting on it at all c) it does move, but too slowly to be se
ConcepTest 3.1a
If two vectors are given can you say about the of vectors A and B?
Vectors I
such that A + B = 0, what 2) same magnitude, but must be in the same direction 3) different magnitudes, but must be in the same direction 4) same magnitude, but m