
College Physics (10th Edition)
10th Edition
ISBN: 9780321902788
Author: Hugh D. Young, Philip W. Adams, Raymond Joseph Chastain
Publisher: PEARSON
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Textbook Question
Chapter 1, Problem 53GP
While surveying a cave, a spelunker follows a passage 180 m straight west, then 210 m in a direction 45° east of south, and then 280 m at 30.0° east of north. After a fourth unmeasured displacement, she finds herself back where she started. Use vector components to find the magnitude and direction of the fourth displacement. Then check the reasonableness of your answer with a graphical sum.
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There are many well-documented cases of people surviving falls from heights greater than 20.0 m. In one such case, a 55.0 kg woman survived a fall from a 10th floor balcony, 29.0 m above the ground, onto the garden below, where the soil had been turned in preparation for planting.
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Example
Two charges, one with +10 μC of charge, and
another with - 7.0 μC of charge are placed in
line with each other and held at a fixed distance
of 0.45 m. Where can you put a 3rd charge of +5
μC, so that the net force on the 3rd charge is
zero?
*
Coulomb's Law Example
Three charges are positioned as seen below. Charge
1 is +2.0 μC and charge 2 is +8.0μC, and charge 3 is -
6.0MC.
What is the magnitude and the direction of the force
on charge 2 due to charges 1 and 3?
93
kq92
F
==
2
r13 = 0.090m
91
r12 = 0.12m
92
Coulomb's Constant: k = 8.99x10+9 Nm²/C²
✓
Chapter 1 Solutions
College Physics (10th Edition)
Ch. 1 - A guidebook describes the rate of climb of a...Ch. 1 - Suppose you are asked to compute the cosine of 3...Ch. 1 - Which of the following is a reasonable height for...Ch. 1 - Which of the following is a reasonable age for an...Ch. 1 - Which of the following is a reasonable mass for an...Ch. 1 - Atomic quantities are now used to define the...Ch. 1 - Suppose you ask your lab partner to look up the...Ch. 1 - (a) The mass m of an object is proportional to its...Ch. 1 - Based only on consistency of units, which of the...Ch. 1 - Based only on consistency of units, which of the...
Ch. 1 - (a) In adding scalars, is 1 m + 1 n necessarily...Ch. 1 - Is it possible for the magnitude of a vector (a)...Ch. 1 - (a) Does it make sense to say that a vector is...Ch. 1 - The three vectors A, B, and C are shown in Figure...Ch. 1 - A world-class term s player can serve a tennis...Ch. 1 - Suppose that bacon is sold for 2 per pound. If you...Ch. 1 - A vector is directed at an angle above the +x...Ch. 1 - A mass of 1.0 103 kg is the same as A. 1012 g. B....Ch. 1 - If the vector B has a magnitude of 25 m and makes...Ch. 1 - If vector A has components Ax and Ay and makes an...Ch. 1 - If the distance d (in meters) traveled by an...Ch. 1 - The speed of a sound wave traveling in a medium...Ch. 1 - If vector A has unity magnitude and makes an angle...Ch. 1 - If vector A has components Ax = 3 and Ay = 4, then...Ch. 1 - (a) How many ohms are there in a 7.85 megohm...Ch. 1 - (a) The recommended daily allowance (RDA) of the...Ch. 1 - (a) Starting with the definition 1.00 ln. = 2.54...Ch. 1 - (a) The density (mass divided by volume) of water...Ch. 1 - Calculate the earths speed in its orbit around the...Ch. 1 - How many nanoseconds does it take light to travel...Ch. 1 - Gasoline mileage. You are considering buying a...Ch. 1 - While driving in an exotic foreign land, you see a...Ch. 1 - Filler up! you fill up your gas tank in Europe...Ch. 1 - Bacteria. Bacteria vary somewhat In size, but a...Ch. 1 - Compute the number of seconds in (a) an hour, (b)...Ch. 1 - Some commonly occurring quantities. All of the...Ch. 1 - Express each of the following numbers to three,...Ch. 1 - Express each of the following approximations of ...Ch. 1 - Blood is thicker than water. The density (mass...Ch. 1 - White dwarfs and neutron stars. Recall that...Ch. 1 - Atoms and nuclei. The atom helium (He) consists of...Ch. 1 - The density of aluminum is 2.7 g/cm3. What Is the...Ch. 1 - Cell walls. Although these quantities vary from...Ch. 1 - A brass washer has an outside diameter of 4.50 cm...Ch. 1 - Estimate the total mass of all the humans...Ch. 1 - A stack of printer paper is 2 inches thick and...Ch. 1 - How many cells in the body? Although their sizes...Ch. 1 - How many times does a typical person blink her...Ch. 1 - You are using water to dilute small amounts of...Ch. 1 - How many dollar bills would you have to stack to...Ch. 1 - Space station. You are designing a space station...Ch. 1 - A beating heart. How many times does a human heart...Ch. 1 - How long would it take you to walk to the moon,...Ch. 1 - Estimate the value of your weight in gold. What...Ch. 1 - On a single diagram, carefully sketch each force...Ch. 1 - Hearing rattles from a snake, you make two rapid...Ch. 1 - A ladybug starts at the center of a 12-in...Ch. 1 - For the vectors A and B shown in Figure 1.24,...Ch. 1 - Consider the force vectors A and B shown in Figure...Ch. 1 - A rocket fires two engines simultaneously. One...Ch. 1 - In each of the cases that follow, the magnitude of...Ch. 1 - In each of the cases that follow, the components...Ch. 1 - A woman takes her dog Rover for a walk on a leash....Ch. 1 - If a vector A has the following components, use...Ch. 1 - Compute the x and y components of the vectors...Ch. 1 - Vector A has components Ax = 1 30 cm, Ay = 2.25...Ch. 1 - A plane leaves Seattle, flies 85 mi at 22 north of...Ch. 1 - Vector A has a magnitude of 20 m arc makes an...Ch. 1 - Three horizontal ropes are attached to a boulder...Ch. 1 - A disoriented physics professor drives 3.25 km...Ch. 1 - A postal employee drives a delivery truck along...Ch. 1 - Baseball mass. Basebal rules specify that a...Ch. 1 - Velocity vector A has components Ax = 3 m/s and Ay...Ch. 1 - How much blood In a heartbeat? A Typical human...Ch. 1 - Muscle attachment. When muscles attach to cones,...Ch. 1 - A woman starts from her house and begins jogging...Ch. 1 - While surveying a cave, a spelunker follows a...Ch. 1 - A sailor in a small sailboat encounters shifting...Ch. 1 - Dislocated shoulder. A patient with a dislocated...Ch. 1 - On a training flight, a student pilot flies from...Ch. 1 - Calculating Lung Volume in Humans. In human lungs,...Ch. 1 - Assuming that alveoli are spherical, what is the...Ch. 1 - Individuals vary considerably in total lung...
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Introduction to Vectors and Their Operations; Author: Professor Dave Explains;https://www.youtube.com/watch?v=KBSCMTYaH1s;License: Standard YouTube License, CC-BY