College Physics
OER 2016 Edition
ISBN: 9781947172173
Author: OpenStax
Publisher: OpenStax College
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Chapter 5, Problem 2TP
To determine
Thecoefficient of friction and the inclination for which the box will slide at constant velocity.
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An elevator filled with passengers has a mass of 1583kg. The upward velocity is constant at 8.32. what is the tension in the cable in N during this time?
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Chapter 5 Solutions
College Physics
Ch. 5 - Define normal force. What is its relationship to...Ch. 5 - The glue on a piece of tape can exert forces. Can...Ch. 5 - When you learn to drive, you discover that you...Ch. 5 - When you push a piece of chalk across a...Ch. 5 - Athletes such as swimmers and bicyclists wear body...Ch. 5 - Two expressions were used for the drag force...Ch. 5 - As cars travel, oil and gasoline leaks onto the...Ch. 5 - Why can a squirrel jump from a tree branch to the...Ch. 5 - The elastic properties of the arteries are...Ch. 5 - What are you feeling when you feel your pulse?...
Ch. 5 - Examine different types of shoes, including sports...Ch. 5 - Would you expect your height to be different...Ch. 5 - Why can a squirrel from a tree branch to the...Ch. 5 - Explain why pregnant women often suffer from back...Ch. 5 - An old carpenter's trick to keep nails from...Ch. 5 - When a glass bottle full of vinegar warms up, both...Ch. 5 - A physics major is cooking breakfast when he...Ch. 5 - (a) When rebuilding her car's engine, a physics...Ch. 5 - (a) What is the maximum frictional force in the...Ch. 5 - Suppose you have a 120-kg wooden crate resting on...Ch. 5 - (a) If half of the weight of a small 1.00103 kg...Ch. 5 - A team of eight dogs pulls a sled with waxed wood...Ch. 5 - Consider the 65.0-kg ice skater being pushed by...Ch. 5 - Show that the acceleration of any object down a...Ch. 5 - Show that the acceleration of any object down an...Ch. 5 - Calculate the deceleration of a snow boarder going...Ch. 5 - (a) Calculate the acceleration of a skier heading...Ch. 5 - If an object is to rest on an incline without...Ch. 5 - Calculate the maximum deceleration of a car that...Ch. 5 - Calculate the maximum acceleration of a car that...Ch. 5 - Repeat Exercise 5.14 for a car with four-wheel...Ch. 5 - A freight train consists of two 8.00105 -kg...Ch. 5 - Consider the 52.0-kg mountain climber in Figure...Ch. 5 - A contestant in a winter sporting event pushes a...Ch. 5 - Repeat Exercise 5.18 with the contestant pulling...Ch. 5 - The terminal velocity of a person falling in air...Ch. 5 - A 60-kg and a go-kg skydiver jump from an airplane...Ch. 5 - A 560-g squirrel with a surface area of 930 cm2...Ch. 5 - To maintain a constant speed, the force provided...Ch. 5 - By what factor does the drag force on a car...Ch. 5 - Calculate the speed a spherical rain drop would...Ch. 5 - Using Stokes' law, verify that the units for...Ch. 5 - Find the terminal velocity of a spherical...Ch. 5 - Stokes' law describes sedimentation of particles...Ch. 5 - During a circus act, one performer swings upside...Ch. 5 - During a wrestling match, a 150 kg wrestler...Ch. 5 - (a) The "lead" in pencils is a graphite...Ch. 5 - TV broadcast antennas are the tallest artificial...Ch. 5 - (a) By how much does a 65.0-kg mountain climber...Ch. 5 - A 20.0-m tall hollow aluminum flagpole is...Ch. 5 - As an oil well is drilled, each new section of...Ch. 5 - Calculate the force a piano tuner applies to...Ch. 5 - A vertebra is subjected to a shearing force of 500...Ch. 5 - A disk between vertebrae in the spine is subjected...Ch. 5 - When using a pencil eraser, you exert a vertical...Ch. 5 - To consider the effect of wires hung on poles, we...Ch. 5 - A farmer making grape juice fills a glass bottle...Ch. 5 - (a) When water freezes, its volume increases by...Ch. 5 - This problem returns to the tightrope walker...Ch. 5 - The pole in Figure 5.24 is at a 90.0° bend in a...Ch. 5 - Prob. 1TPCh. 5 - Prob. 2TPCh. 5 - Prob. 3TPCh. 5 - Prob. 4TP
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- A 7kg block is placed on an inclined that is 24 degrees to the horizontal. It has a coefficient of friction of 0.23. A force from the left at an angle is pushing the block. The acceleration of gravity is 9.8 m/s2. What force is required to push the block up the incline with constant velocity?arrow_forwardA person whose weight is 520 N is being pulled up vertically by a rope from the bottom of a cave that is 35.1 deep. The tension in the rope is 569 N. How long, starting from rest, will it take to bring the person out of the ve?arrow_forwardA flatbed truck is carrying a 30-kg crate up a sloping road at a constant speed. The coefficient of static friction between the crate and the bed is 0.60, and the coefficient of kinetic friction is 0.25. What is the maximum angle of the slope that the truck can climb if the crate is to stay in place? Answer in degrees.arrow_forward
- A ramp with a height of 10.0 m has an inclination angle of 30 degrees. A 12.0 kg block is sitting on top of the ramp initially at rest. Assuming the ramp's surface is frictionless, calculate the block's acceleration amd velocity when it reaches the base of the ramp. How much force did the block experience down the ramp and what must the coefficient of static friction be in order for the block to not move?arrow_forwardA block with a mass of 3.44 kg is sliding down an inclined surface. The surface makes an angle of 31.7º relative to horizontal. The block is increasing speed at a rate of 2.1 m/s2. What is the coefficient of kinetic friction between the block and the surface?arrow_forwardA supermarket pushcart is being pushed at 45 degrees with respect to the horizontal from the starting point to the cashier, which is 25 feet away. The cart is 5kg, it contains 2 boxes of 10-1b flour and seven packs of half-kilogram sugar. The coefficient of friction between the wheels and the floor is 0.03. a. What force is required? b. How much force is required?arrow_forward
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- Two blocks are sliding down a 30◦ incline. The first block is 2 kg and has a kinetic friction coefficient of .10. The second block - which is connected to the first block by a rope - is 1 kg with a kinetic friction coefficient of .20. What is the tension in the string?arrow_forwardIt takes a force of 22 N to push a 10.0-kg box horizontally with a constant speed over concrete. What is the coefficient of kinetic friction between the box and the concrete?arrow_forwardThe rolling resistance for steel on steel is quite low; the coefficient of rolling friction is typically μr=0.002. Suppose a 180,000 kg locomotive is rolling at 11 m/s on level rails. If the engineer disengages the engine, how much time will it take the locomotive to coast to a stop? Express your answer in seconds. change in time=?arrow_forward
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