EBK COLLEGE PHYSICS
3rd Edition
ISBN: 9780321989246
Author: Knight
Publisher: PEARSON CO
expand_more
expand_more
format_list_bulleted
Textbook Question
Chapter 5, Problem 19P
It takes the elevator in a skyscraper 4.0 s to reach its cruising speed of 10m/s. A 60 kg passenger gets aboard on the ground floor. What is the passenger's apparent weight
a. Before the elevator starts moving?
b. While the elevator is speeding up?
c. After the elevator reaches its cruising speed?
Expert Solution & Answer
Learn your wayIncludes step-by-step video
schedule06:04
Students have asked these similar questions
It takes the elevator in a skyscraper 4.0 s to reach its cruising speed of 10 m/s. A 60 kg passenger gets aboard on the ground floor. What is the passenger’s apparent weighta. Before the elevator starts moving?b. While the elevator is speeding up?c. After the elevator reaches its cruising speed?
Siobhan slides a 1.5 kg plate across the table towards you.
a. What is the normal force acting on the plate?
b.What is the kinetic friction force acting on the plate?The surfaces have ?k = 0.6 .
c. Siobhan stops pushing when the plate is moving with speed ?i = 2.5 ?/?.How long will it take for the plate to come to a stop, and how far will it travel?
An astronaut weighing 236 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?
c. What is his mass in kilograms on Earth?
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...
Additional Science Textbook Solutions
Find more solutions based on key concepts
18.(II) (a) Determine the equivalent resistance of the “ladder” of equal 175-? resistors shown in Fig. 19-49. I...
Physics: Principles with Applications
Choose the best answer to each of the following. Explain your reasoning. Whats the best explanation for the loc...
Cosmic Perspective Fundamentals
Which Moon position (F–l) best corresponds with the Moon phase shown in the upper-right corner of Figure 2?
Ent...
Lecture- Tutorials for Introductory Astronomy
Generalize your results thus far to answer the following question: What is the relationship between the directi...
Tutorials in Introductory Physics
Two long, parallel wires are hung by cords of length 5.0 cm, as shown in the accompanying figure. Each wire has...
University Physics Volume 2
Youre a structural engineer working on a design for a steel beam, and you need to know its resonant frequency. ...
Essential University Physics: Volume 1 (3rd 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 woman has a mass of 55.0 kg.a. What is her weight on earth?b. What are her mass and her weight on the moon, where g = 1.62 m/s2?arrow_forwardYour forehead can withstand a force of about 6.0 kN before fracturing, while your cheekbone can only withstand about 1.3 kN. a. If a 140 g baseball strikes your head at 30 m/s and stops in 0.0015 s, what is the magnitude of the ball’s acceleration? b. What is the magnitude of the force that stops the baseball? c. What force does the baseball apply to your head? Explain. d. Are you in danger of a fracture if the ball hits you in the forehead? In the cheek?arrow_forwardAn astronaut of mass 75 kg travels to Mars. What is its weight? a. On earth b. On Mars, where g = 3.8 m / s2arrow_forward
- The International Space Station (ISS) orbits the Earth at an altitude (distance above the surface of the Earth) of 408 km, conducting various experiments in a "weightless" environment. a. Calculate the acceleration of the ISS. B. Determine the speed that a rocket carrying supplies for the ISS would have to achieve in order to enter orbit at the same altitude as the ISS. Assume air resistance is negligiblearrow_forwardA lamp hangs vertically from a cord in a descending elevator. The elevator has a deceleration of 2.4 m/ s2 before coming to a stop. A. If the tension in the cord is 89 N, what is the mass of the lamp? B. What is the tension in the cord when the elevator ascends with an upward acceleration of 2.4 m/ s2 ?arrow_forwardA typical car weighs about 1000 kg. An average person can push with a force that is about half the force of gravity on her body, say about 500 N. a. How long would it take for the car to reach walking speed of about 1.5 m/s from an initial speed of zero? b. How far has the car moved when it reaches that velocity?arrow_forward
- There are two masses suspended from a pulley. The mass on the right is 100kg and it takes 5.0 s to reach the floor (2 m) after being released from rest. a. What is the mass of the block on the left? b. What is the tension in the rope?arrow_forwardA body has a weight of 400N at standard earth’s gravity of 9.806 m/s². When a force of 800N is applied to the body.a. What is the value of the acceleration on earth, in m/s²?b. What is the value of the acceleration on moon where the gravity is 1.6 m/s²?arrow_forwardA satellite is traveling through distant space with a speed of 19,000 km/hr. What will happen to the speed of the satellite over time? A. The satellite will have a positive acceleration there is no friction. B. The satellite will have a negative acceleration because of friction. C. The satellite will have a positive acceleration because of friction. D. The satellite will maintain a constant speed because there is no friction.arrow_forward
- A 0.623 kg. basketball is dropped from the rooftop of a building. If it took the ball 3.5 seconds to reach the ground, the speed of the ball before it touches the ground is 34.3 m/s the height of the building is 60.025 m c. What is the ball's acceleration half-way down the building?d. What is the ball's velocity half-way down the building?arrow_forwardIn short-track speed skating, the track has straight sections and semicircles 16 m in diameter. Assume that a 65 kg skater goes around the turn at a constant 12 m/s.a. What is the horizontal force on the skater?b. What is the ratio of this force to the skater’s weight?arrow_forwardSuppose a 4.25 slug gymnast is climbing a rope. a. What is the tension, in the rope, in pounds if he climbs at a constant speed b. What is the tension, in the rope, in pounds, if he accelerates upwards at a rate of 5.9ft/s2arrow_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 LearningUniversity Physics Volume 1PhysicsISBN:9781938168277Author:William Moebs, Samuel J. Ling, Jeff SannyPublisher:OpenStax - Rice University
Physics for Scientists and Engineers, Technology ...
Physics
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
University Physics Volume 1
Physics
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:OpenStax - Rice University
Drawing Free-Body Diagrams With Examples; Author: The Physics Classroom;https://www.youtube.com/watch?v=3rZR7FSSidc;License: Standard Youtube License