University Physics (14th Edition)
14th Edition
ISBN: 9780133969290
Author: Hugh D. Young, Roger A. Freedman
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 4, Problem 4.24E
A student of mass 45 kg jumps off a high diving board. What is the acceleration of the earth toward her as she accelerates toward the earth with an acceleration of 9.8 m/s2? Use 6.0 × 1024 kg for the mass of the earth, and assume that the net force on the earth is the force of gravity she exerts on it.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
An object has a mass of 100 kg.a) How much does it weigh on Earth?b) How much does it weigh on the Moon (gmoon = 1.6 m/sz)?
A 1.5-kg mass has an acceleration of (4.0i ^ − 3.0j ^ ) m/s2. Only two forces act on the mass. If one of the forces is (2.0i ^ − 1.4j ^ ) N, what is the magnitude of the other force?
An astronaut weighing 193 lbs on Earth is on a mission to the Moon and Mars.
(a) What would he weigh in newtons when he is on the Moon? The acceleration due to gravity on the Moon is one-sixth that
on Earth.
(b) How much would he weigh in newtons when he is on Mars, where the acceleration due to gravity is 0.38 times that on
Earth?
N
(c) What is his mass in kilograms on Earth?
kg
(d) Which of the following are true? (Select all that apply.)
His mass on the Moon is exactly equal to his mass on Earth.
His mass on the Moon is smaller than his mass on Earth.
His mass on Mars is smaller than his mass on Earth.
His mass on Mars is exactly equal to his mass on Earth.
His mass on the Moon is greater than his mass on Earth.
His mass on Mars is greater than his mass on Earth.
Chapter 4 Solutions
University Physics (14th Edition)
Ch. 4 - Can a body be in equilibrium when only one force...Ch. 4 - A ball thrown straight up has zero velocity at its...Ch. 4 - A helium balloon hovers in midair, neither...Ch. 4 - When you fly in an airplane at night in smooth...Ch. 4 - If the two ends of a rope in equilibrium are...Ch. 4 - You tie a brick lo the end of a rope and whirl the...Ch. 4 - When a car stops suddenly, the passengers tend to...Ch. 4 - Some people say that the force of inertia (or...Ch. 4 - A passenger in a moving bus with no windows...Ch. 4 - Suppose you chose the fundamental physical...
Ch. 4 - Why is the earth only approximately an inertial...Ch. 4 - Does Newtons second law hold true for an observer...Ch. 4 - Some students refer to the quantity ma as the...Ch. 4 - The acceleration of a falling body is measured in...Ch. 4 - You can play catch with a softball in a bus moving...Ch. 4 - Students sometimes say that the force of gravity...Ch. 4 - Why can it hurt your foot more to kick a big rock...Ch. 4 - Its not the fall that hurts you; its the sudden...Ch. 4 - A person can dive into water from a height of 10 m...Ch. 4 - Why are cars designed to crumple in front and back...Ch. 4 - When a string barely strong enough lifts a heavy...Ch. 4 - A large crate is suspended from the end of a...Ch. 4 - Which feels a greater pull due to the earths...Ch. 4 - Why is it incorrect to say that 1.0 kg equals 2.2...Ch. 4 - A horse is hitched to a wagon. Since the wagon...Ch. 4 - True or false? You exert a push P on an object and...Ch. 4 - A large truck and a small compact car have a...Ch. 4 - When a car comes to a stop on a level highway,...Ch. 4 - A small compact car is pushing a large van that...Ch. 4 - Consider a tug-of-war between two people who pull...Ch. 4 - Boxes A and B are in contact on a horizontal,...Ch. 4 - A manual for student pilots contains this passage:...Ch. 4 - If your hands are wet and no towel is handy, you...Ch. 4 - If you squat down (such as when you examine the...Ch. 4 - When a car is hit from behind, the occupants may...Ch. 4 - In a head-on auto collision, passengers who are...Ch. 4 - In a head-on collision between a compact 1000-kg...Ch. 4 - Suppose you are in a rocket with no windows,...Ch. 4 - Two dogs pull horizontally on ropes attached to a...Ch. 4 - To extricate an SUV stuck in the mud, workmen use...Ch. 4 - BIO Jaw Injury. Due to a jaw injury, a patient...Ch. 4 - A man is dragging a trunk up the loading ramp of a...Ch. 4 - Forces F1 and F2act at a point. The magnitude of...Ch. 4 - An electron (mass = 9.11 1031 kg) leaves one end...Ch. 4 - A 68.5-kg skater moving initially at 2.40 m/s on...Ch. 4 - You walk into an elevator, step onto a scale, and...Ch. 4 - A box rests on a frozen pond, which serves as a...Ch. 4 - A dockworker applies a constant horizontal force...Ch. 4 - A hockey puck with mass 0.160 kg is at rest at the...Ch. 4 - A crate with mass 32.5 kg initially at rest on a...Ch. 4 - A 4.50-kg experimental cart undergoes an...Ch. 4 - A 2.75-kg cat moves in a straight line (the...Ch. 4 - A small 8.00-kg rocket burns fuel that exerts a...Ch. 4 - An astronauts pack weighs 17.5 N when she is on...Ch. 4 - Superman throws a 2400-N boulder at an adversary....Ch. 4 - BIO (a) An ordinary flea has a mass of 210 g. How...Ch. 4 - At the surface of Jupiters moon Io, the...Ch. 4 - A small car of mass 380 kg is pushing a large...Ch. 4 - BIO World-class sprinters can accelerate out of...Ch. 4 - The upward normal force exerted by the floor is...Ch. 4 - Boxes A and B are in contact on a horizontal,...Ch. 4 - A student of mass 45 kg jumps off a high diving...Ch. 4 - Section 4.6 Free-Body Diagrams 4.25Crates A and B...Ch. 4 - You pull horizontally on block B in Fig. F4.26,...Ch. 4 - A ball is hanging from a long siring that is tied...Ch. 4 - CP A .22-caliber rifle bullet traveling at 350 m/s...Ch. 4 - A chair of mass 12.0 kg is sitting on the...Ch. 4 - A large box containing your new computer sits on...Ch. 4 - CP A 5.60-kg bucket of water is accelerated upward...Ch. 4 - CP You have just landed on Planet X. You release a...Ch. 4 - Two adults and a child want to push a wheeled cart...Ch. 4 - CP An oil tankers engines have broken down, and...Ch. 4 - CP BIO A Standing Vertical Jump. Basketball player...Ch. 4 - CP An advertisement claims that a particular...Ch. 4 - BIO Human Biomechanics. The fastest pitched...Ch. 4 - BIO Human Biomechanics. The fastest served tennis...Ch. 4 - Two crates, one with mass 4.00 kg and the other...Ch. 4 - CP Two blocks connected by a light horizontal rope...Ch. 4 - CALC To study damage to aircraft that collide with...Ch. 4 - CP A 6.50-kg instrument is hanging by a vertical...Ch. 4 - BIO Insect Dynamics. The froghopper (Philaenus...Ch. 4 - A loaded elevator with very worn cables has a...Ch. 4 - CP After an annual checkup, you leave your...Ch. 4 - CP A nail in a pine board stops a 4.9-N hammer...Ch. 4 - CP Jumping to the Ground. A 75.0-kg man steps off...Ch. 4 - The two blocks in Fig. P4.48 are connected by a...Ch. 4 - CP Boxes A and B are connected to each end of a...Ch. 4 - CP Extraterrestrial Physics. You have landed on an...Ch. 4 - CP CALC A mysterious rocket-propelled object of...Ch. 4 - CALC The position of a training helicopter (weight...Ch. 4 - DATA The table gives automobile performance data...Ch. 4 - DATA An 8.00-kg box sits on a level floor. You...Ch. 4 - DATA You are a Starfleet captain going boldly...Ch. 4 - Prob. 4.56CPCh. 4 - BIO FORCES ON A DANCER'S BODY. Dancers experience...Ch. 4 - BIO FORCES ON A DANCERS BODY. Dancers experience...Ch. 4 - BIO FORCES ON A DANCER'S BODY. Dancers experience...Ch. 4 - The forces on a dancer can be measured directly...
Additional Science Textbook Solutions
Find more solutions based on key concepts
A plank, fixed to a sled at rest in frame S, is of length L0 and makes an angle of 0 with the xaxis. Later, the...
Modern Physics
11. Can a brick have more than one cross-sectional area?
Applied Physics (11th Edition)
14. FIGURE Q4.14 shows four rotating wheels. For each, determine the signs (+ or -) of w and a.
Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (4th Edition)
12. The electric potential (relative to infinity) due to a single point charge Q is +400 V at a point that is 0...
College Physics (10th Edition)
The drawing shows two silicate tetrahedra linked together. Redraw the figure. Label the oxygen atom that is sha...
Conceptual Integrated Science
Explain why it is not possible to add a scalar to a vector.
College Physics
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
- (a) Find the magnitude of the gravity force between a planet with mass 5.98 1024 kg and its moon, with mass 7.36 1022 kg, if the average distance between them is 3.84 108 m. (b) What is the acceleration of the moon toward the planet? (c) What is the acceleration of the planet toward the moon? (See Section 7.5.)arrow_forwardThe weight of an astronaut plus her space suit on the Moon is only 245 N. 1.) How much does she weigh on Earth, in newtons, assuming the acceleration due to gravity on the moon is 1.67 m/s and what is the mass of the astronaut and her space suit on the Earth and Moon, in kilograms?arrow_forwardThe traveller travels to a planet in a neighboring solar system. It is a long trip, but she somehow manages to maintain her physical condition by conscientious exercise and diet control. The acceleration due to gravity on this planet is 12.3 m/s². What is the traveller's mass m' on the planet? m² = 730.25 kgarrow_forward
- A 1000 kg rocket is drifting in space and it will crash into the surface of a Venus. What is the gravitational force pulling the rocket into Venus when the rocket is 10^9 km away from Venus? Assume the mass of earth is 6 × 10^24 kg.arrow_forwardA rock, in deep space, has a rocket thruster, with negligible mass, attached to it. The rocket causes a force of 3,300[N]. If the rock has a mass of 4.62×104[kg], what is the acceleration experienced by the rock, due to this force alone? Express your answer in terms of m/s2.arrow_forwardA flea jumps by exerting a force of 1.32 x 105 N straight down on the ground. A breeze blowing on the flea parallel to the ground exerts a force of 1.16 x 10-6 N on the flea. Find the direction and magnitude (in m/s²) of the acceleration of the flea if its mass is 6.0 x 107 kg. (Let us assume that Fwind points to the right. We will consider this to be the +x direction and vertical to be the +y direction.) magnitude 11.5 x Did you draw a free-body diagram, and identify the forces acting on the flea? Consider the forces acting on the flea during the time it is in contact with the ground. m/s2 85.3 x Review vector components. In which of the four quadrants is the resultant force located?° (measured clockwise from the vertical) direction Tutorial Supporting Materialsarrow_forward
- 4.0 kg object has a velocity of 3i m/s at one instant. Eight seconds later, its velocity is (8i + 10j) m/s. Assuming the object was subject to a constant net force, find (a) the components of the force and (b) its magnitude.arrow_forwardA standard object defined as having a mass of exactly 4.6 kg is given an acceleration of 2.4169 m/s2 when a certain force is applied to it. A second object of unknown mass acquires an acceleration of 1.0268 m/s2 when the same force is applied to it. what is the mass of the second object? Answer in units of kgarrow_forwardAlex is asked to move two boxes of books in contact with each other and resting on a frictionless floor. He decides to move them at the same time by pushing on box A with a horizontal pushing force F. = 9.3 N. Here box A has a mass m = 12.1 kg and box B has a mass 7.0 kg. The contact force between the two boxes is F_and N denotes the normal force. (a) What is the acceleration (in m/s) of the two boxes? m/s² (b) What is the force (in N) exerted on m by m? N Qurd (c) If Alex were to push from the other side on the 7.0 kg box, how would your answer to part (b) change? Narrow_forward
- Weight refers to the force of gravity acting on a mass. We often calculate the weight of an object by multiplying its mass by the local acceleration due to gravity. The value of gravitational acceleration on the surface of Mars is 0.38 times that on Earth. Assume your mass is 81.00 kg. Then your weight on Earth is 793.80 newtons (793.80 N = m × g = 81.00 kg × 9.8 m/s2). What would be your mass on Mars? kg What would be your weight on Mars? Narrow_forwardThe weight of a mass on Mercury, where the acceleration due to gravity is 3.61 m/s2, is 1235 N. What would be the weight of the same mass on the Moon, where the acceleration due to gravity is 1.60 m/s2?arrow_forwardA person who has a mass of 47 kg is standing in an elevator which is accelerating downward. Acceleration due to gravity is 10 m/s2.a) At what rate (in m/s2) must the elevator accelerate for the person to feel weightless? b) How heavy (in N) does the person feel if the elevator is accelerating downward at 3.3 m/s2?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Physics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage Learning
College PhysicsPhysicsISBN:9781285737027Author:Raymond A. Serway, Chris VuillePublisher:Cengage Learning
Principles of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
Physics for Scientists and Engineers: Foundations...
Physics
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Cengage Learning
College Physics
Physics
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Electric Fields: Crash Course Physics #26; Author: CrashCourse;https://www.youtube.com/watch?v=mdulzEfQXDE;License: Standard YouTube License, CC-BY