EBK COLLEGE PHYSICS
3rd Edition
ISBN: 9780321989246
Author: Knight
Publisher: PEARSON CO
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Textbook Question
Chapter 5, Problem 80MSPP
MCAT-Style Passage Problems
Sliding on the Ice
In the winter sport of curling, players give a 20 kg stone a push across a sheet of ice. The stone moves approximately 40 m before coming to rest. The final position of the stone, in principle, only depends on the initial speed at which it is launched and the
80. Suppose the stone’s mass is increased to 40 kg, but it is launched at the same 3 m/s. Which one of the following is true?
A. The stone would now travel a longer distance before coming to rest.
B. The stone would now travel a shorter distance before coming to rest.
C. The coefficient of friction would now be greater.
D. The force of friction would now be greater.
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I do not understand the process to answer the second part of question b. Please help me understand how to get there!
Rank the six combinations of electric charges on the basis of the electric force acting on 91. Define forces pointing to the right as positive and forces pointing to the left as negative.
Rank in increasing order by placing the most negative on the left and the most positive on the right. To rank items as equivalent, overlap them.
▸ View Available Hint(s)
[most negative
91 = +1nC
92 = +1nC
91 = -1nC
93 = +1nC
92- +1nC
93 = +1nC
-1nC
92- -1nC
93- -1nC
91= +1nC
92 = +1nC
93=-1nC
91
+1nC
92=-1nC
93=-1nC
91 = +1nC
2 = −1nC
93 = +1nC
The correct ranking cannot be determined.
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most positive
Part A
Find the x-component of the electric field at the origin, point O.
Express your answer in newtons per coulomb to three significant figures, keeping in mind that an x component that points to the right is positive.
▸ View Available Hint(s)
Eoz =
Η ΑΣΦ
?
N/C
Submit
Part B
Now, assume that charge q2 is negative; q2 = -6 nC, as shown in (Figure 2). What is the x-component of the net electric field at the origin, point O?
Express your answer in newtons per coulomb to three significant figures, keeping in mind that an x component that points to the right is positive.
▸ View Available Hint(s)
Eoz=
Η ΑΣΦ
?
N/C
Chapter 5 Solutions
EBK COLLEGE PHYSICS
Ch. 5 - An object is subject to two forces that do not...Ch. 5 - Are the objects described here in static...Ch. 5 - What forces are acting on you right now? What net...Ch. 5 - Decide whether each of the following is true or...Ch. 5 - An astronaut takes his bathroom scale to the moon...Ch. 5 - A light block of mass m and a heavy block of mass...Ch. 5 - a. Can the normal force on an object be directed...Ch. 5 - A ball is thrown straight up. Taking the drag...Ch. 5 - You are going sledding with your friends, sliding...Ch. 5 - Suppose you are holding a box in front of you and...
Ch. 5 - You are walking up an icy slope. Suddenly your...Ch. 5 - Three objects move through the air as shown in...Ch. 5 - A skydiver is falling at her terminal speed. Right...Ch. 5 - Raindrops can fall at different speeds; some fall...Ch. 5 - An airplane moves through the air at a constant...Ch. 5 - Is it possible for an object to travel in air...Ch. 5 - For Questions 17 through 20, determine the tension...Ch. 5 - For Questions 17 through 20, determine the tension...Ch. 5 - For Questions 17 through 20, determine the tension...Ch. 5 - For Questions 17 through 20, determine the tension...Ch. 5 - In Figure Q5.21, block 2 is moving to the right....Ch. 5 - The wood block in Figure Q5.22 is at rest on a...Ch. 5 - A 2.0 kg ball is suspended by two light strings as...Ch. 5 - While standing in a low tunnel, you raise your...Ch. 5 - A 5.0 kg dog sits on the floor of an elevator that...Ch. 5 - A 3.0 kg puck slides due east on a horizontal...Ch. 5 - Eric has a mass of 60 kg. He is standing on a...Ch. 5 - The two blocks in Figure Q5.28 are at rest on...Ch. 5 - A football player at practice pushes a 60 kg...Ch. 5 - Two football players are pushing a 60 kg blocking...Ch. 5 - Land Rover ads used to claim that their vehicles...Ch. 5 - A truck is traveling at 30 m/s on a slippery road....Ch. 5 - The three ropes in Figure P5.1 are tied to a...Ch. 5 - The three ropes in Figure P5.2 are tied to a...Ch. 5 - A 20 kg loudspeaker is suspended 2.0 m below the...Ch. 5 - A construction crew would like to support a 1000...Ch. 5 - When you bend your knee, the quadriceps muscle is...Ch. 5 - An early submersible craft for deep-sea...Ch. 5 - The two angled ropes are used to support the crate...Ch. 5 - A 65 kg student is walking on a slackline, a...Ch. 5 - Section 5.2 Dynamics and Newtons Second Law 9. A...Ch. 5 - The forces in Figure P5.10 are acting on a 2.0 kg...Ch. 5 - The forces in Figure P5.11 are acting on a 2.0 kg...Ch. 5 - A horizontal rope is tied to a 50 kg box on...Ch. 5 - A crate pushed along the floor with velocity vi...Ch. 5 - In a head-on collision, a car stops in 0.10 s from...Ch. 5 - An astronauts weight on earth is 800 N. What is...Ch. 5 - A woman has a mass of 55.0 kg. a. What is her...Ch. 5 - A 75 kg passenger is seated in a cage in the Sling...Ch. 5 - a. How much force does an 80 kg astronaut exert on...Ch. 5 - It takes the elevator in a skyscraper 4.0 s to...Ch. 5 - Riders on the Power Tower are launched skyward...Ch. 5 - Zach, whose mass is 80 kg, is in an elevator...Ch. 5 - A kangaroo carries her 0.51 kg baby in her pouch...Ch. 5 - Figure P5.23 shows the velocity graph of a 75 kg...Ch. 5 - a. A 0.60 kg bullfrog is sitting at rest on a...Ch. 5 - A 23 kg child goes down a straight slide inclined...Ch. 5 - Two workers are sliding a 300 kg crate across the...Ch. 5 - A 4000 kg truck is parked on a 7.0 slope. How big...Ch. 5 - A 1000 kg car traveling at a speed of 40 m/s skids...Ch. 5 - A stubborn 120 kg pig sits down and refuses to...Ch. 5 - It is friction that provides the force for a car...Ch. 5 - The rolling resistance for steel on steel is quite...Ch. 5 - What is the minimum downward force on the box in...Ch. 5 - What is the drag force on a 1.6-m-wide, 1.4-m-high...Ch. 5 - A 22-cm-diameter bowling ball has a terminal speed...Ch. 5 - Running on a treadmill is slightly easier than...Ch. 5 - A 75 kg skydiver can be modeled as a rectangular...Ch. 5 - The air is less dense at higher elevations, so...Ch. 5 - A 1000 kg car pushes a 2000 kg truck that has a...Ch. 5 - A 2200 kg truck has put its front bumper against...Ch. 5 - Blocks with masses of 1.0 kg, 2.0 kg, and 3.0 kg...Ch. 5 - What is the tension in the rope of Figure P5.42...Ch. 5 - A 2.0-m-long, 500 grope pulls a 10 kg block of ice...Ch. 5 - Each of 100 identical blocks sitting on a...Ch. 5 - Two blocks on a frictionless table, A and B, are...Ch. 5 - A 500 kg piano is being lowered into position by a...Ch. 5 - Dana has a sports medal suspended by a long ribbon...Ch. 5 - Figure P5.49 shows the velocity graph of a 2.0 kg...Ch. 5 - Your forehead can withstand a force of about 6.0...Ch. 5 - A 50 kg box hangs from a rope. What is the tension...Ch. 5 - A fisherman has caught a very large, 5.0 kg fish...Ch. 5 - A 50 kg box hangs from a rope. What is the tension...Ch. 5 - Riders on the Tower of Doom, an amusement park...Ch. 5 - Seat belts and air bags save lives by reducing the...Ch. 5 - Elite quarterbacks can throw a football 70 m. To...Ch. 5 - A 20,000 kg rocket has a rocket motor that...Ch. 5 - Youve always wondered about the acceleration of...Ch. 5 - A 23 kg child goes down a straight slide inclined...Ch. 5 - An impala is an African antelope capable of a...Ch. 5 - Josh starts his sled at the top of a 3.0-m-high...Ch. 5 - The drag force is an important fact of life for...Ch. 5 - A wood block, after being given a starting push,...Ch. 5 - Researchers often use force plates to measure the...Ch. 5 - A person with compromised pinch strength in his...Ch. 5 - Its possible for a determined group of people to...Ch. 5 - A 1.0 kg wood block is pressed against a vertical...Ch. 5 - Two blocks are at rest on a frictionless incline,...Ch. 5 - Running indoors on a treadmill is slightly easier...Ch. 5 - Two identical 2.0 kg blocks are stacked as shown...Ch. 5 - A wood block is sliding up a wood ramp. If the...Ch. 5 - A 2.7 g Ping-Pong ball has a diameter of 4.0 cm....Ch. 5 - Two blocks are connected by a string as in Figure...Ch. 5 - The ramp in Figure P5.75 is frictionless. If the...Ch. 5 - The 100 kg block in Figure P5.76 takes 6.0 s to...Ch. 5 - MCAT-Style Passage Problems Sliding on the Ice In...Ch. 5 - MCAT-Style Passage Problems Sliding on the Ice In...Ch. 5 - MCAT-Style Passage Problems Sliding on the Ice In...Ch. 5 - MCAT-Style Passage Problems Sliding on the Ice In...
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