Physics: Principles with Applications
7th Edition
ISBN: 9780321625922
Author: Douglas C. Giancoli
Publisher: Addison-Wesley
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 5, Problem 51P
What will a spring scale read for the weight of a 58.0-kg woman in an elevator that moves (a) upward with constant speed 5.0 m/s, (b) downward with constant speed 5.0 m/s, (c) with an upward acceleration 0.23 g, (d) with a downward acceleration 0.23 g,and (e) in free fall?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
A lamp hangs vertically from a cord in a descending elevator that decelerates at 1.7 m/s2. (a) If the tension in the cord is 63 N, what is the lamp's mass? (b) What is the cord's tension when the elevator ascends with an upward acceleration of 1.7 m/s2?
A student weighs 200 N. If he is in an elevator that is accelerating upward at 2.00 m/s/s, what will be his apparent weight?
A student's backpack, full of textbooks, is hung from a spring scale attached to the ceiling of an
elevator. When the elevator is accelerating downward at 3.8 m/s², the scale reads 60 N. (a) What is the
mass of the backpack?
Chapter 5 Solutions
Physics: Principles with Applications
Ch. 5 - You revolve a ball around you in a horizontal...Ch. 5 - A space station revolves around the Earth as a...Ch. 5 - How many '‘accelerators” do you have in your car?...Ch. 5 - A car rounds a curve at a steady 50 km/h. If it...Ch. 5 - Will the acceleration of a car be the same when a...Ch. 5 - Prob. 4QCh. 5 - Prob. 5QCh. 5 - Prob. 6QCh. 5 - Prob. 7QCh. 5 - Prob. 8Q
Ch. 5 - Prob. 9QCh. 5 - 10. A car maintains a constant speed v as it...Ch. 5 - Prob. 11QCh. 5 - Prob. 12QCh. 5 - Does an apple exert a gravitational force on the...Ch. 5 - Why is more fuel required for a spacecraft to...Ch. 5 - Would it require less speed to launch a satellite...Ch. 5 - Prob. 16QCh. 5 - The Sun is below us at midnight, nearly in line...Ch. 5 - 18. When will your apparent weight be the...Ch. 5 - Prob. 19QCh. 5 - Prob. 20QCh. 5 - Is the centripetal acceleration of Mars in its...Ch. 5 - The mass of the '‘planet" Pluto was not known...Ch. 5 - Prob. 23QCh. 5 - Prob. 1MCQCh. 5 - Prob. 2MCQCh. 5 - Prob. 3MCQCh. 5 - Prob. 4MCQCh. 5 - Prob. 5MCQCh. 5 - Prob. 6MCQCh. 5 - Prob. 7MCQCh. 5 - Prob. 8MCQCh. 5 - Prob. 9MCQCh. 5 - Prob. 10MCQCh. 5 - Prob. 11MCQCh. 5 - 'A penny is placed on a turntable which is...Ch. 5 - A child sitting 1.20 m from the center of a...Ch. 5 - A jet plane traveling 1890 km/h (525 m/s) pulls...Ch. 5 - Prob. 3PCh. 5 - What is the magnitude of the acceleration of a...Ch. 5 - 5. (II) A 0.55-kg ball, attached to the end of a...Ch. 5 - How fast (in rpm) must a centrifuge rotate if a...Ch. 5 - Prob. 7PCh. 5 - How large must the coefficient of static friction...Ch. 5 - Prob. 9PCh. 5 - Prob. 10PCh. 5 - How many revolutions per minute would a...Ch. 5 - Prob. 12PCh. 5 - Prob. 13PCh. 5 - Prob. 14PCh. 5 - Prob. 15PCh. 5 - Prob. 16PCh. 5 - Prob. 17PCh. 5 - Prob. 18PCh. 5 - Prob. 19PCh. 5 - Prob. 20PCh. 5 - Prob. 21PCh. 5 - Prob. 22PCh. 5 - Prob. 23PCh. 5 - Determine the tangential and centripetal...Ch. 5 - Prob. 25PCh. 5 - For each of the cases described below, sketch and...Ch. 5 - Prob. 27PCh. 5 - Calculate the force of Earth's gravity on a...Ch. 5 - At the surface of a certain planet, the...Ch. 5 - At what distance from the Earth will a spacecraft...Ch. 5 - Prob. 31PCh. 5 - Prob. 32PCh. 5 - Prob. 33PCh. 5 - Prob. 34PCh. 5 - Prob. 35PCh. 5 - Prob. 36PCh. 5 - Prob. 37PCh. 5 - Prob. 38PCh. 5 - Prob. 39PCh. 5 - Prob. 40PCh. 5 - 41. (II) Every few hundred years most of the...Ch. 5 - 42 (II) Four 7.5-kg spheres are located at the...Ch. 5 - 43. (II) Determine the distance from the Earth's...Ch. 5 - 44.(II) A certain neutron star has five times the...Ch. 5 - 45. (I) A space shuttle releases a satellite into...Ch. 5 - 46. (I) Calculate the speed of a satellite moving...Ch. 5 - Prob. 47PCh. 5 - Prob. 48PCh. 5 - Calculate the period of a satellite orbiting the...Ch. 5 - Prob. 50PCh. 5 - What will a spring scale read for the weight of a...Ch. 5 - Prob. 52PCh. 5 - Prob. 53PCh. 5 - A Ferris wheel 22.0 m in diameter rotates once...Ch. 5 - At what rate must a cylindrical spaceship rotate...Ch. 5 - (a) Show that if a satellite orbits very near the...Ch. 5 - Neptune is an average distance of 4.5 x 109 km...Ch. 5 - The asteroid Icarus, though only a few hundred...Ch. 5 - Prob. 59PCh. 5 - Determine the mass of the Earth from the known...Ch. 5 - Prob. 61PCh. 5 - Prob. 62PCh. 5 - Prob. 63PCh. 5 - Prob. 64PCh. 5 - Prob. 65PCh. 5 - Prob. 66PCh. 5 - Prob. 67GPCh. 5 - Prob. 68GPCh. 5 - Prob. 69GPCh. 5 - Prob. 70GPCh. 5 - Prob. 71GPCh. 5 - Prob. 72GPCh. 5 - Prob. 73GPCh. 5 - Prob. 74GPCh. 5 - Two equal-mass stars maintain a constant distance...Ch. 5 - How far above the Earth's surface will the...Ch. 5 - Prob. 77GPCh. 5 - Prob. 78GPCh. 5 - The rings of Saturn are composed of chunks of ice...Ch. 5 - Prob. 80GPCh. 5 - Prob. 81GPCh. 5 - Prob. 82GPCh. 5 - Prob. 83GPCh. 5 - Prob. 84GPCh. 5 - A satellite of mass 5500 kg orbits the Earth and...Ch. 5 - Prob. 86GPCh. 5 - Prob. 87GPCh. 5 - Prob. 88GPCh. 5 - Prob. 89GPCh. 5 - Prob. 90GP
Additional Science Textbook Solutions
Find more solutions based on key concepts
In the spaces provided, draw and label vectors to represent the initial momentum, and the change of glider A in...
Tutorials in Introductory Physics
An ideal gas is made to undergo the cyclic process shown in Figure 1.10 (a). For each of the steps A, B, and C,...
An Introduction to Thermal Physics
What is the capacitance of a large Van de Graaff generator’s terminal, given that it stores 8.00 mC of charge a...
University Physics Volume 2
Explain all answers clearly, using complete sentence and proper essay structure if needed. An asterisk (*) desi...
The Cosmic Perspective Fundamentals (2nd Edition)
64. The longest recorded pass in an NFL game traveled 83 yards in the air from the quarterback to the receiver....
College Physics: A Strategic Approach (3rd Edition)
Q33.14 It has been proposed that automobile windshields and headlights should have polarizing filters to reduce...
University Physics with Modern Physics (14th 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
- A 45 kg box hangs from a rope. What is the tension in the rope if:(a) the box is at rest?(b) the box is rising with a constant velocity of 4.0 m/s?(c) the box is rising and speeding up at 4.5 m/s2?arrow_forwardA lamp hangs vertically from a cord in a descending elevator that decelerates at 1.9 m/s2. (a) If the tension in the cord is 68 N, what is the lamp's mass? (b) What is the cord's tension when the elevator ascends with an upward acceleration of 1.9 m/s? (a) Number Units (b) Number Unitsarrow_forwardA student’s backpack, full of textbooks, is hung from a spring scale attached to the ceiling of an elevator. When the elevator is accelerating downward at 3.8 m/s2 , the scale reads 60 N. (a) What is the mass of the backpack? (b) What does the scale read if the elevator moves upward while speeding up at a rate 3.8 m/s2 ? (c) What does the scale read if the elevator moves upward at constant velocity? (d) If the elevator had no brakes and the cable supporting it were to break loose so that the elevator could fall freely, what would the spring scale read?arrow_forward
- A lamp hangs vertically from a cord in a descending elevator that decelerates at 2.9 m/s². (a) If the tension in the cord is 66 N, what is the lamp's mass? (b) What is the cord's tension when the elevator ascends with an upward acceleration of 2.9 m/s²? (a) Number (b) Number Units Unitsarrow_forwardA lamp hangs vertically from a cord in a descending elevator that decelerates at 2.6 m/s?. (a) If the tension in the cord is 60 N, what is the lamp's mass? (b) What is the cord's tension when the elevator ascends with an upward acceleration of 2.6 m/s? (a) Number i Units (b) Number i Units >arrow_forwardA person of mass m = 55 kg is in an elevator which is accelerating upward at acceleration a= 2.3 m/s. What is the apparent weight in Newtons, of the person in the elevator during this ride? (Hint: the apparent weight is same as the normal force experienced by the person)arrow_forward
- A 1,652-kg car starts from rest at the top of a driveway 7.03 m long that is sloped at an angle of 38 degrees with the horizontal. If an average friction force of 3,382 N impedes the motion of the car, find the speed (in m/s) of the car at the bottom of the driveway. Use the approximation that g ≈ 10 m/s2.arrow_forwardA descending elevator is subject to a constant rate of acceleration, dropping 50.0 m as it goes from an initial velocity of 15.0 m/ downward, to rest. As a percentage of the occupants' masses, what is their apparent weight? 66% 77% 100% 123% 134%arrow_forwardA passenger is standing on a scale in an elevator. The building has a height of 500 feet, the passenger has a mass of 80 kg, and the scale has a mass of 7 kg. The scale sits on the oor of the elevator. You may take g = 10 N/kg. While it is accelerating downwards hat does the scale read (in newtonsarrow_forward
- A block of mass 3.2 kg is released from rest on a frictionless inclined plane, which makes an angle an angle 30° with the horizontal. The blocks travels a distance of 2.5 m before hitting the ground. (a) Find the acceleration of the block. (b) Find the speed of the block when it hits the ground. (c) What must be the angle of inclination to achieve an acceleration of 7.5 m/s² ?arrow_forwardA person of mass M-80 kg stands on a scale inside an elevator to measure her apparent weight. What will her apparent weight be if the elevator moving up with an initial velocity V = (4j) m/s slows down under constant acceleration to stop in a distance d=4m ? (Acceleration due to Earth's gravity is ở = (– 1oj) m/s² ) 320 N 480 N 640 N 960 N 1280 Narrow_forwardAn object is hung from a spring balance attached to the ceiling of an elevator cab. The balance reads 65 N when the cab is standing still.What is the reading when the cab is moving upward (a) with a constant speed of 7.6 m/s and (b) with a speed of 7.6 m/s while decelerating at a rate of 2.4 m/s2?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Glencoe Physics: Principles and Problems, Student...PhysicsISBN:9780078807213Author:Paul W. ZitzewitzPublisher:Glencoe/McGraw-HillPhysics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage Learning
Glencoe Physics: Principles and Problems, Student...
Physics
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Glencoe/McGraw-Hill
Physics for Scientists and Engineers: Foundations...
Physics
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Cengage Learning
Newton's Second Law of Motion: F = ma; Author: Professor Dave explains;https://www.youtube.com/watch?v=xzA6IBWUEDE;License: Standard YouTube License, CC-BY