College Physics
7th Edition
ISBN: 9780321601834
Author: Jerry D. Wilson, Anthony J. Buffa, Bo Lou
Publisher: Addison-Wesley
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Question
Chapter 1, Problem 59E
To determine
The average density of the earth in terms of standard units.
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m₁
V2
m
For the three vectors shown, the magnitude of vector A is 5 [m], the magnitude of vector B is 7 [m],
and the magnitude of vector C is 4 [m].
(a) Find the x- and y-components of the resultant vector Ŕ = Ả + B + Č. Do not forget to include
the directional unit vector for each component.
(b) What is the magnitude of the resultant vector Ŕ?
(c) In what direction is the resultant vector Ŕ pointing? Write the answer in terms of an angle
with the proper indication of the direction.
60.0 degree
20.0 degree
+x
C
Exercise No 2
Four forces are exerted on the object shown in the figure. (Forces are measured in newtons,
abbreviated N.) The net force on the object is Fnet = F₁ + F₂ + F3 + F₁ = 4.0î N. What are (a) F3 and
(b) F₁? Give your answers in component form.
y
F3
نیا
F₁
5.0 N
6.0 N
20°
F₂
x
Chapter 1 Solutions
College Physics
Ch. 1 - Prob. 1MCQCh. 1 - The only SI standard represented by material...Ch. 1 - Which of the following is the SI base unit for (a)...Ch. 1 - Prob. 4MCQCh. 1 -
The prefix giga- means (a) 10−9, (b) 109, (c)...Ch. 1 - The prefix micro- means (a) 106, (b) 10–6, (c)...Ch. 1 - A new technology is concerned with objects the...Ch. 1 -
Which of the following has the greatest volume:...Ch. 1 - Which of the following metric prefixes is the...Ch. 1 - Both sides of an equation are equal in (a)...
Ch. 1 - Unit analysis of an equation cannot tell you if...Ch. 1 - Prob. 12MCQCh. 1 - Prob. 13MCQCh. 1 - You have a quantity of water and wish to express...Ch. 1 - Which of the following has the greatest number of...Ch. 1 - Which of the following numbers has four...Ch. 1 - Prob. 17MCQCh. 1 - An important step in problem solving before...Ch. 1 - Prob. 19MCQCh. 1 - In order-of-magnitude calculations, you should (a)...Ch. 1 - Prob. 1CQCh. 1 - Why is weight not a base quantity?
Ch. 1 - What replaced the original definition of the...Ch. 1 - Give a couple of major differences between the SI...Ch. 1 - If a fellow student tells you he saw a 3-cm-long...Ch. 1 - Prob. 6CQCh. 1 - Explain why a metric ton is equivalent to 1000...Ch. 1 - Prob. 8CQCh. 1 - Prob. 9CQCh. 1 - Prob. 10CQCh. 1 - Prob. 11CQCh. 1 - Prob. 12CQCh. 1 - Prob. 13CQCh. 1 - Prob. 14CQCh. 1 - Prob. 15CQCh. 1 - Are all the significant figures reported for a...Ch. 1 - Prob. 17CQCh. 1 - Prob. 18CQCh. 1 - What are the main steps in the problem-solving...Ch. 1 - When you do order-of-magnitude calculations,...Ch. 1 - When doing an order-of-magnitude calculation, how...Ch. 1 - Prob. 22CQCh. 1 -
Is the following statement reasonable? It took...Ch. 1 - Is the following statement reasonable? A car...Ch. 1 -
The metric system is a decimal (base-10) system,...Ch. 1 - (a) In the British system, 16 oz = 1 pt and 16 oz...Ch. 1 - Convert the following: (a) 40 000 000 bytes to MB,...Ch. 1 - A sailor tells you that if his ship is traveling...Ch. 1 - Prob. 5ECh. 1 - Prob. 6ECh. 1 - Prob. 7ECh. 1 - Prob. 8ECh. 1 - Prob. 9ECh. 1 - Prob. 10ECh. 1 - The general equation for a parabola is y = ax2 +...Ch. 1 - Prob. 12ECh. 1 - Prob. 13ECh. 1 - Prob. 14ECh. 1 - Is the equation for the area of a trapezoid, ,...Ch. 1 - Newton’s second law of motion (Section 4.3) is...Ch. 1 - Prob. 17ECh. 1 - Prob. 18ECh. 1 - Figure 1.8 (top) shows the elevation of a location...Ch. 1 - (a) If you wanted to express your height with the...Ch. 1 - Prob. 21ECh. 1 - Prob. 22ECh. 1 - Prob. 23ECh. 1 - Prob. 24ECh. 1 - Prob. 25ECh. 1 - Prob. 26ECh. 1 - Prob. 27ECh. 1 - Prob. 28ECh. 1 - (a) Which of the following represents the greatest...Ch. 1 - Prob. 30ECh. 1 - Prob. 31ECh. 1 - Prob. 32ECh. 1 - Prob. 33ECh. 1 - Prob. 34ECh. 1 - Fig. 1.18 is a picture of red blood cells seen...Ch. 1 - A student was 18 in. long when she was born. She...Ch. 1 - How many minutes of arc does the Earth rotate in 1...Ch. 1 - Prob. 38ECh. 1 - The Roman Coliseum used to be flooded with water...Ch. 1 - In the Bible, Noah is instructed to build an ark...Ch. 1 - Express the length 50 500 μm (micrometers) in...Ch. 1 - Prob. 42ECh. 1 - Prob. 43ECh. 1 - Express each of the numbers in Exercise 43 with...Ch. 1 - Round the following numbers to two significant...Ch. 1 - Prob. 46ECh. 1 - Prob. 47ECh. 1 - The interior storage compartment of a restaurant...Ch. 1 - The top of a rectangular table measures 1.245 m by...Ch. 1 - Prob. 50ECh. 1 - Prob. 51ECh. 1 - Prob. 52ECh. 1 - Work this exercise by the two given procedures as...Ch. 1 - Prob. 54ECh. 1 - Prob. 55ECh. 1 - Prob. 56ECh. 1 - Prob. 57ECh. 1 - The thickness of the numbered pages of a textbook...Ch. 1 - The mass of the Earth is 5.98 × 1024 kg. What is...Ch. 1 - To go to a football stadium from your house, you...Ch. 1 - Two chains of length 1.0 m are used to support a...Ch. 1 - Tony’s Pizza Palace sells a medium 9.0-in....Ch. 1 - Two students go into Tony’s Pizza Palace and order...Ch. 1 - In Fig. 1.22, which black region has the greater...Ch. 1 - The Channel Tunnel, or “Chunnel,” which runs under...Ch. 1 - Human adult blood contains, on average, 7000/mm3...Ch. 1 - The average number of hairs on the normal human...Ch. 1 - A car is driven 13 mi east and then a certain...Ch. 1 -
At the Indianapolis 500 time trials, each car...Ch. 1 - Approximately 118 mi wide, 307 mi long, and...Ch. 1 - In the Tour de Franco, a bicyclist races up two...Ch. 1 - A student wants to determine the distance from the...Ch. 1 - A farmer owns a piece of land in the shape of an...Ch. 1 - In a radioactivity experiment, a solid lead brick...Ch. 1 - Approximately 118 mi wide, 307 mi long, and...Ch. 1 - Two separate seismograph stations receive...Ch. 1 - You are sailing a radio-controlled model powerboat...Ch. 1 - Prob. 78E
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