College Physics: A Strategic Approach (3rd Edition)
3rd Edition
ISBN: 9780321879721
Author: Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 5, Problem 30MCQ
Two football players are pushing a 60 kg blocking sled across the field at a constant speed of 2.0 m/s. The coefficient of kinetic friction between the grass and the sled is 0.30. Once they stop pushing, how far will the sled slide before coming to rest?
A. 0.20 m
B. 0.68 m
C. 1.0 m
D. 6.6m
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
different.
e. There is not enough information to draw any conclusions regarding distance and
displacement.
7. If a car is travelling, north with a constant speed of 25.0 m/s, what is the net force that
acts on the car?
a. EF = 9.80 N
b. ΣF-0
C. EF =-9.80 N
d. EF = 25.O N
e. We cannot draw any conclusions about the force because we do not know the
mass of the car.
8. If a fly collides with a windshield of a fast-moving car, which experiences impact force
with a larger magnitude?
a. The fly.
b. The car.
C. Both experience the same force.
d. Depends whether the car isla Ford or a Holden.
e. None of the above.
Page 13 of 16
Assessment 3 of Semester 2, 2021
PHYS0004 Fundamentals of Physics
9. Select the most true statement from the following:
a. Joule (J) is a unit of work.
b. Joule (J) is a unit of energy.
c. Joule (J) is a unit of power.
A skier starts from rest has just begun descending a 30 degrees slope. Assuming the coefficient of kinetic friction is 0.10; calculate the speed she will reach after 6.0 seconds.
A. 24.3 m/s
B. 20.6 m/s
C. 22.7 m/s
D. 18.7 m/s
Given a block which is at rest on a perfectly flat smooth table. You push with your hand horizontally on the block with some force. If the mass of the block = 2.00 kg and the acceleration of the block = 5.00 m/s2 then what is the force on the block from your hand in SI units?
A. 10.0 N
B. 0.100 N
C. 0.400 N
D. 2.50 N
E. zero
Chapter 5 Solutions
College Physics: A Strategic Approach (3rd Edition)
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...
Additional Science Textbook Solutions
Find more solutions based on key concepts
41. A hollow metal sphere has 6 cm and 10 cm inner and outer radii, respectively. The surface charge density on...
Physics for Scientists and Engineers: A Strategic Approach, Vol. 1 (Chs 1-21) (4th Edition)
4. What five specific threats to biodiversity are described in this chapter? Provide an example of each.
Biology: Life on Earth (11th Edition)
Draw the mechanism for the hydroxide ion-catalyzed cleavage of fructose-l.6-bisphosphate.
Organic Chemistry (8th Edition)
In the light reactions, what is the initial electron donor? Where do the electrons finally end up?
Campbell Biology (11th Edition)
Using the South Atlantic as an example, label the beginning of the normal polarity period C that began 2 millio...
Applications and Investigations in Earth Science (9th Edition)
What is the difference between cellular respiration and external respiration?
Human Physiology: An Integrated Approach (8th Edition)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- 71. The 50-kg crate shown in figure rests on a horizontal surface for which the coefficient of kinetic friction is Pk = 0.3. If the crate is subjected to a 400-N towing force as shown, determine the velocity of the crate in 5 seconds starting from rest. A. 20.54 m/s B. 22.46 m/s C. 25.93 m/s D. None of these P = 400 N 30°arrow_forward1. A horizontal force of 95.0 N is applied to a 60.0 kg box on a rough, level surface. If the crate is accelerated at 1.20 m/s2, what is the magnitude of the kinetic frictional force on the crate? a. 8 N b. 33 N c. It cannot be determined why we do not have the coefficient of kinetic friction. d. 16 N e. 45 N f. 23 N 2. If a block slides down a frictionless incline, which of the following is true? a. speed increases and acceleration decreases b. speed and acceleration increases c. speed increases and acceleration remain constant d. its velocity increases and its acceleration decreases e. its velocity and acceleration remain constant.arrow_forwardOn a snowy day, when the coefficient of friction μs between a car’s tires and the road is 0.50, the maximum speed that the car can go around a curve is 20 mph. What is the maximum speed at which the car can take the same curve on a sunny day when μs = 1.0?A. 20 mph B. 24 mph C. 28 mphD. 33 mph E. 40 mpharrow_forward
- A 25 N box is pulled across a rough surface by an applied force of 22 N. The coefficient of kinetic friction between the box and the surface is 0.3. Find the acceleration of the box. Use g = 10 m/s^2 O A. 2.9 m/s^2 O B. 4.8 m/s^2 C. 5.8 m/s^2 D. 8.8 m/s^2 O E. 12 m/s^2arrow_forwardA rectangular block of mass 10 kg is allowed to slide down a rough slope which is inclined at an angle of 20. What is the acceleration of the blovk, if the coefficient of the kinetic friction between the block and the slop= 0.15? A. 2 m/s^2 B. 3.5 m/s^2 C. 2.5 m/s^2 D. 3.0 m/s^2 E. 1 m/s^2arrow_forwardA 40-kg crate is being pushed across a horizontal floor. If the coefficient of sliding friction is 0.4, what is the frictional force acting on the crate?A. 16 N B. 40 N C.100 N D. 160 Narrow_forward
- A 25 kg block is suspended to a piece of string attached to the ceiling. The block is approximately 15 m above the ground. What is the magnitude of the force of tension on the string? a. 25 N b. 375 N c. 2.5 x 102 N d. 3.8 x 102 N e. none of abovearrow_forwardA 1.8-kg block is released from rest at the top of a rough 30 ° inclined plane. As the block slides down the incline, its acceleration is 3.0 m/s 2 down the incline. Determine the magnitude of the force of friction acting on the block. O a. 3.8 N O b. 2.3 N O c. 3.4 N d. 4.2 N e. 3.0 Narrow_forwardAn elevator cabin has a mass of 380 kg, and the combined mass of the people inside the cabin is 180 kg. The cabin is pulled upward by a cable, in which there is a tension force of 7600 N. What is the acceleration of the elevator? a. 3.76 m/s2 c. 3.76 m/s2 b. 3.76 m/s2 d. 3.76 m/s2arrow_forward
- 14. Compute the minimum distance that a truck slides on a horizontal asphalt road if it is traveling at 20 m/s. The coefficient of sliding friction between asphat and rubber tire is 0.50. The mass of the truck is 8000 kg. a. 40.8 m b. 48.5 m c. 35.3 m d. 31.4 m a O b O c O darrow_forwardA 140N horizontal force is needed to pull a 60.0kg box across the horizontal floor at constant speed. What is the coefficient of friction between the floor and box? A. 0.500 B. 0.067 C. 0.238 D. 0.543arrow_forwardThe coefficient of friction between a race car's wheels and the track is 1.0. The car starts from rest and accelerates at a constant rate for 275 m. Find the maximum speed at the end of the race.a. 52 m/s b. 57 m/s c. 73 m/s d. 86 m/sarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Physics for Scientists and Engineers, Technology ...PhysicsISBN:9781305116399Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
College PhysicsPhysicsISBN:9781285737027Author:Raymond A. Serway, Chris VuillePublisher:Cengage Learning
College PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage Learning
Physics for Scientists and Engineers, Technology ...
Physics
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
College Physics
Physics
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
College Physics
Physics
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
Newton's Third Law of Motion: Action and Reaction; Author: Professor Dave explains;https://www.youtube.com/watch?v=y61_VPKH2B4;License: Standard YouTube License, CC-BY