Fundamentals of Physics Extended
10th Edition
ISBN: 9781118230725
Author: David Halliday, Robert Resnick, Jearl Walker
Publisher: Wiley, John & Sons, Incorporated
expand_more
expand_more
format_list_bulleted
Question
Chapter 5, Problem 84P
To determine
To find:
(a) Ratio of refrigerator’s speed in case 2 to speed in case1 for t.
(b) Ratio of refrigerator’s speed in case 2 to speed in case 1 for d.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
You are a bully. You pin a 48 kg dweeb to a wall so that his feet aren't touching the ground. Your arm is extended so that it makes an angle 28 degrees with the horizontal. The dweeb's back is so sweaty with fear that there is no friction between his back and the wall. What is the magnitude of the force , in N, you must apply to keep the dweeb in equilibrium? (Use g = 10 m/s2) This scenario is represented schematically below. Unfortunately for you, years later the dweeb is your boss and he makes your life miserable. (Please answer to the fourth decimal place - i.e 12.3445)
Let's consider the system given in Figure 2. The end of a flexible spring with spring constant k is attached to the wall and the other end to a block of mass m. There is no friction between the block and the inclined plane. When the spring is at its natural length, the block is first decelerated. The angle of inclination of the inclined plane is given as ß.
a) What is the acceleration of the blog when the spring is extended by x?
A desperate hiker has to think fast to help his friend who has fallen below him. Quickly, he ties a rope to a rock of mA = 405 kg
and makes his way over the ledge (see the figure below). If the coefficient of static friction between the rock and the ground is
H=0.348, and the mass of the hiker is ma= 70.1 kg, what is the maximum mass of the friend, mc, that the rock can hold so the
hikers can then make their way up over the ledge? Assume the rope is parallel to the ground and the point where the rope
passes over the ledge is frictionless. (ANS: 70.8 kg)
Chapter 5 Solutions
Fundamentals of Physics Extended
Ch. 5 - Figure 5-19 gives the free-body diagram for four...Ch. 5 - Two horizontal forces, F1=(3N)i (4N)jandF2=(1N)i...Ch. 5 - In Fig. 5-21, forces F1 and F2 are applied to a...Ch. 5 - At time t = 0, constant F begins to act on a rock...Ch. 5 - Figure 5-22 shows overhead views of four...Ch. 5 - Figure 5-23 shows the same breadbox in four...Ch. 5 - July 17, 1981, Kansas City: The newly opened Hyatt...Ch. 5 - Figure 5-25 gives three graphs of velocity...Ch. 5 - Figure 5-26 shows a train of four blocks being...Ch. 5 - Figure 5-27 shows three blocks being pushed across...
Ch. 5 - A vertical force F is applied to a block of mass m...Ch. 5 - Figure 5-28 shows four choices for the direction...Ch. 5 - Only two horizontal forces act on a 3.0 kg body...Ch. 5 - Two horizontal forces act on a 2.0 kg chopping...Ch. 5 - If the 1 kg standard body has an acceleration of...Ch. 5 - While two forces act on it, a particle is to move...Ch. 5 - GO Three astronauts, propelled by jet backpacks,...Ch. 5 - In a two-dimensional tug-of-war, Alex, Betty, and...Ch. 5 - SSM There are two forces on the 2.00 kg box in the...Ch. 5 - A 2.00 kg object is subjected to three forces that...Ch. 5 - A 0.340 kg particle moves in an xy plane according...Ch. 5 - GO A 0.150 kg particle moves along an x axis...Ch. 5 - A 2.0 kg particle moves along an x axis, being...Ch. 5 - GO Two horizontal forces F1 and F2 act on a 4.0 kg...Ch. 5 - Figure 5-33 shows an arrangement in which four...Ch. 5 - A block with a weight of 3.0 N is at rest on a...Ch. 5 - SSM a An 11.0 kg salami is supported by a cord...Ch. 5 - Some insects can walk below a thin rod such as a...Ch. 5 - SSM WWW In Fig. 5-36, let the mass of the block be...Ch. 5 - In April 1974, John Massis of Belgium managed to...Ch. 5 - SSM A 500 kg rocket sled can be accelerated at a...Ch. 5 - A car traveling at 53 km/h hits a bridge abutment....Ch. 5 - A constant horizontal force Fa pushes a 2.00 kg...Ch. 5 - A customer sits in an amusement park ride in which...Ch. 5 - Tarzan, who weighs 820 N, swings from a cliff at...Ch. 5 - 24 There are two horizontal forces on the 2.0 kg...Ch. 5 - Sunjamming. A sun yacht is a spacecraft with a...Ch. 5 - The tension at which a fishing line snaps is...Ch. 5 - SSM An electron with a speed of 1.2 107 m/s moves...Ch. 5 - A car that weighs 1.30 104 N is initially moving...Ch. 5 - A firefighter who weighs 712 N slides down a...Ch. 5 - The high-speed winds around a tornado can drive...Ch. 5 - SSM WWW A block is projected up a frictionless...Ch. 5 - Figure 5-39 shows an overhead view of a 0.0250 kg...Ch. 5 - An elevator cab and its load have a combined mass...Ch. 5 - GO In Fig. 5-40, a crate of mass m = 100 kg is...Ch. 5 - The velocity of a 3.00 kg particle is given by...Ch. 5 - Holding on to a towrope moving parallel to a...Ch. 5 - A 40 kg girl and an 8.4 kg sled are on the...Ch. 5 - A 40 kg skier skis directly down a frictionless...Ch. 5 - ILW A sphere of mass 3.0 104 kg is suspended from...Ch. 5 - GO A dated box of dates, of mass 5.00 kg, is sent...Ch. 5 - Using a rope that will snap if the tension in it...Ch. 5 - GO In earlier days, horses pulled barges down...Ch. 5 - SSM In Fig. 5-43, a chain consisting of five...Ch. 5 - A lamp hangs vertically from a cord in a de...Ch. 5 - An elevator cab that weighs 27.8 kN moves upward....Ch. 5 - An elevator cab is pulled upward by a cable. The...Ch. 5 - GO The Zacchini family was renowned for their...Ch. 5 - GO In Fig. 5-44, elevator cabs A and B are...Ch. 5 - In Fig. 5-45, a block of mass m = 5.00 kg is...Ch. 5 - GO Fig. 5-46, three ballot boxes are connected by...Ch. 5 - GO Figure 5-47 shows two blocks connected by a...Ch. 5 - An 85 kg man lowers himself to the ground from a...Ch. 5 - In Fig. 5-48, three connected blocks are pulled to...Ch. 5 - GO Figure 5-49 shows four penguins that are being...Ch. 5 - SSM ILW WWW Two blocks are in contact on a...Ch. 5 - GO In Fig. 5-51a, a constant horizontal force Fa...Ch. 5 - ILW A block of mass m1 = 3.70 kg on a frictionless...Ch. 5 - Figure 5-53 shows a man sitting in a bosuns chair...Ch. 5 - SSM A 10 kg monkey climbs up a massless rope that...Ch. 5 - Figure 5-45 shows a 5.00 kg block being pulled...Ch. 5 - SSM ILW A hot-air balloon of mass M is descending...Ch. 5 - In shot putting, many athletes elect to launch the...Ch. 5 - GO Figure 5-55 gives, as a function of time t, the...Ch. 5 - GO Figure 5-56 shows a box of mass m2 = 1.0 kg on...Ch. 5 - GO Figure 5-47 shows Atwoods machine, in which two...Ch. 5 - GO Figure 5-57 shows a section of a cable-car...Ch. 5 - Figure 5-58 shows three blocks attached by cords...Ch. 5 - A shot putter launches a 7.260 kg shot by pushing...Ch. 5 - In Fig. 5-59, 4.0 kg block A and 6.0 kg block B...Ch. 5 - An 80 kg man drops to a concrete patio from a...Ch. 5 - SSM Figure 5-60 shows a box of dirty money mass m1...Ch. 5 - Three forces act on a particle that moves with...Ch. 5 - SSM In Fig. 5-61, a tin of antioxidants m1 = 1.0...Ch. 5 - The only two forces acting on a body have...Ch. 5 - Figure 5-62 is an overhead view of a 12 kg tire...Ch. 5 - A block of mass M is pulled along a horizontal...Ch. 5 - SSM A worker drags a crate across a factory floor...Ch. 5 - In Fig. 5-64, a force F of magnitude 12 N is...Ch. 5 - A certain particle has a weight of 22 N at a point...Ch. 5 - An 80 kg person is parachuting and experiencing a...Ch. 5 - A spaceship lifts off vertically from the Moon,...Ch. 5 - In the overhead view of Fig. 5-65, five forces...Ch. 5 - SSM A certain force gives an object of mass m1 an...Ch. 5 - Prob. 84PCh. 5 - A 52 kg circus performer is to slide down a rope...Ch. 5 - Compute the weight of a 75 kg space ranger a on...Ch. 5 - An object is hung from a spring balance attached...Ch. 5 - Imagine a landing craft approaching the surface of...Ch. 5 - A 1400 kg jet engine is fastened to the fuselage...Ch. 5 - An interstellar ship has a mass of 1.20 106 kg...Ch. 5 - SSM A motorcycle and 60.0 kg rider accelerate at...Ch. 5 - Prob. 92PCh. 5 - SSM Figure 5-66a shows a mobile hanging from a...Ch. 5 - For sport, a 12 kg armadillo runs onto a large...Ch. 5 - Suppose that in Fig. 5-12, the masses of the...Ch. 5 - A nucleus that captures a stray neutron must bring...Ch. 5 - If the 1 kg standard body is accelerated by only...
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 block is set into motion up an inclined plane (30° ) with an initial speed of 8.0 m/s. There is friction between the block ant the plane. The block comes to rest after traveling 4.8 m along the plane. V% =8 m/s What is the value of the coefficient of friction u? HINT: remember that the friction force is given by thus because both f and the N are proportional to the mass of the block m, m cancels out and you don't need it to find u. Thus you wont be able to find a value for f or N alone, so find your acceleration first, then an equation for µ that is independent of m.arrow_forwardA block of mass m =2.2 kg slides on the ground. At the start of the slide, the velocity of the block is v = 3.1 m/s. Then the block comes to rest. We observe that the block slides for s =2.7 m before coming to rest. Assuming that only kinetic friction force acts on the lock when we observe the motion, what is the kinetic friction coefficient between the block and the ground?arrow_forwardA skateboarder with mass m, = 44 kg is standing at the top of a ramp which is h, = 3.9 m above the ground. The skateboarder then jumps on his skateboard and descends down the ramp. His speed at the bottom of the ramp is v= 6.7 m/s. Part (b) The ramp makes an angle e with the ground, where 0 = 30°. Write an expression for the magnitude of the friction force, f, between the ramp and the skateboarder. cos(e) sin(e) 8 HOME a 5 6 1 2 3 h, P . END m, + Vf vol BACKSPACE CLEAR Part (c) When the skateboarder reaches the bottom of the ramp, he continues moving with the speed vfonto a flat surface covered with grass. The friction between the grass and the skateboarder brings him to a complete stop after 5.00 m. Calculate the magnitude of the friction force, Fgras; in newtons, between the skateboarder and the grass. Fgrazs =arrow_forward
- A skateboarder with mass m, = 44 kg is standing at the top of a ramp which is h, = 3.9 m above the ground. The skateboarder then jumps on his skateboard and descends down the ramp. His speed at the bottom of the ramp is v= 6.7 m/s. Part (b) The ramp makes an angle e with the ground, where 0= 30°. Write an expression for the magnitude of the friction force, fr. between the ramp and the skateboarder. F;= cos(e) sin(0) 8 9 HOME d 1 2 3 hy m. + END Vf vol BACKSPACE CLEAR Part (c) When the skateboarder reaches the bottom of the ramp, he continues moving with the speed vonto a flat surface covered with grass. The friction between the grass and the skateboarder brings him to a complete stop after 5.00 m. Calculate the magnitude of the friction force, Fgras: in newtons, between the skateboarder and the grass. Fgras:=arrow_forwardA desperate hiker has to think fast to help his friend who has fallen below him. Quickly, he ties a rope to a rock of mass ma and makes his way over the ledge (see the figure). If the coefficient of maximum static friction between the rock and the ground is µ, and the mass of the hiker is mâ, what is the maximum mass of the friend, mc, that the rock can hold so the hikers can then make their way up over the ledge? Assume the rope is parallel to the ground and the point where the rope passes over the ledge is frictionless. mc = Juarrow_forwardA guy dives from a cliff of height H at an initial speed 0 (for simplicity). During the first phase of his fall, he wraps his arms. During the second phase, he stretches his arms to slow himself down so that his touchdown speed at the water surface is vo. The air drag coefficient during the first phase is k while it is ßk during the second phase. The air drag force is always proportional to the falling speed. At what height the guy should open his arms so that his touchdown speed is vo? Compute the total falling time.arrow_forward
- 1 2 B → ✰ S 1 4 https://mapleton.instructure.com/courses/16703/assignments/300550 1 point A 1kg flower is pushed by a force of 1N. How fast (in m/s2)does it accelerate? Type your answer... A Submit For these questions, assume that the acceleration due to gravity (g) on Earth is 10 m/s². Also assume that there is no friction or air resistance acting on any of these systems. E 1 point A 23kg statue sits on a table. What is the statue's weight in Newtons? Type your answer... 2 1 point A speeding car is pulled over by a police cruiser. If the car started at 60 m/s and stopped in 20 seconds. If the car has a mass of 1,800Kg, how much force (in Newtons) was exerted by the car's breaks? Type your answer... 3 1 point A moose pushes a 10kg rock, accelerating it from rest to 10m/s in 1 second (This is an acceleration of 10m/s2). What was the applied force in Newtons? Type your answer... Return 4arrow_forwardA force is specified by the vector F = (160i + 120j - 180k) N. Calculate the angles made by F with the positive x-, y-, and z-axes. Answers: O 0x = 0y= 0₂ = D Oarrow_forwardA rope, attached to a weight, goes up through a pulley at the ceiling and back down to a worker. The worker holds the rope at the same height as the connection point between the rope and weight. The distance from the connection point to the ceiling is 30 ft. Suppose the worker stands directly next to the weight (.e., a total rope length of 60 ft) and begins to walk away at a constant rate of 2 ft/s. How fast is the weight rising when the worker has walked: 10 feet? Answer= 30 feet? Answerarrow_forward
- A block is sent up an incline with a velocity of 3.51 m/s. Assume there is no friction between the incline and the block. The angle is at an incline of 31.1 degrees with the horizontal. A) How far up the incline does the block go? B) How long does it take to get there? C) What is it's speed when it gets back to the bottom?arrow_forwardYou're standing at the top of a snow-covered hill, sloped at 20.0°. The coefficient of kinetic friction between your sled and the hill is 0.534. Unfortunately, there's a running stream just at the bottom of the hill, and you don't want to get wet. If you and your sled together have a mass of 87.0 kg, with what speed should you push off with to stop just before the stream, 77.0 m down the slope?arrow_forwardThe force acting on an object is given by Fx = (5x − 6) N, where x is in meters. (a) Choose the plot that best describes the force versus x from x = 0 to x = 3.00 m. A line is plotted on a coordinate plane that has a horizontal axis labeled x (m) and a vertical axis labeled Fx (N). The line starts at (0,−3) and extends up and to the right at a constant slope to (3,9). A line is plotted on a coordinate plane that has a horizontal axis labeled x (m) and a vertical axis labeled Fx (N). The line starts at (0,−6) and extends up and to the right at a constant slope to (3,9). A line is plotted on a coordinate plane that has a horizontal axis labeled x (m) and a vertical axis labeled Fx (N). The line starts at (0,3) and extends down and to the right at a constant slope to (3,−9). A line is plotted on a coordinate plane that has a horizontal axis labeled x (m) and a vertical axis labeled Fx (N). The line starts at (0,6) and extends down and to the right at a constant slope to…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-Hill
Glencoe Physics: Principles and Problems, Student...
Physics
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Glencoe/McGraw-Hill
Drawing Free-Body Diagrams With Examples; Author: The Physics Classroom;https://www.youtube.com/watch?v=3rZR7FSSidc;License: Standard Youtube License