EP PHYSICS -MOD.MASTERING (18W)
5th Edition
ISBN: 9780136782490
Author: Walker
Publisher: PEARSON CO
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Textbook Question
Chapter 10, Problem 5PCE
A spot of paint on a bicycle tire moves in a circular path of radius 0.29 m When the spot has traveled a linear distance of 2.73 m, through what angle has the tire rotated? Give your answer in radians.
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5.48 ⚫ A flat (unbanked) curve on a highway has a radius of 170.0 m.
A car rounds the curve at a speed of 25.0 m/s. (a) What is the minimum
coefficient of static friction that will prevent sliding? (b) Suppose that the
highway is icy and the coefficient of static friction between the tires and
pavement is only one-third of what you found in part (a). What should
be the maximum speed of the car so that it can round the curve safely?
5.77 A block with mass m₁ is placed on an inclined plane with
slope angle a and is connected to a hanging block with mass m₂ by a
cord passing over a small, frictionless pulley (Fig. P5.74). The coef-
ficient of static friction is μs, and the coefficient of kinetic friction is
Mk. (a) Find the value of m₂ for which the block of mass m₁ moves up
the plane at constant speed once it is set in motion. (b) Find the value
of m2 for which the block of mass m₁ moves down the plane at constant
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Chapter 10 Solutions
EP PHYSICS -MOD.MASTERING (18W)
Ch. 10.1 - Rank the following systems (A, B, C, D) in order...Ch. 10.2 - An object at rest begins to rotate at t = 0 with...Ch. 10.3 - Disk 1 has a radius r and rotates with an angular...Ch. 10.4 - In a popular pirate movie, two pirates find...Ch. 10.5 - Four masses m are connected by rods of negligible...Ch. 10.6 - A hoop, a disk, a solid sphere, and a hollow...Ch. 10 - A rigid object rotates about a fixed axis. Do all...Ch. 10 - Can you drive your car in such a way that your...Ch. 10 - Can you drive your car in such a way that your...Ch. 10 - The fact that the Earth rotates gives people in...
Ch. 10 - At the local carnival you and a friend decide to...Ch. 10 - Why should changing the axis of rotation of an...Ch. 10 - Give a common, everyday example for each of the...Ch. 10 - Two spheres have identical radii and masses How...Ch. 10 - At the grocery store you pick up a can of beef...Ch. 10 - Suppose we change the race shown in Conceptual...Ch. 10 - The following angles are given in degrees. Convert...Ch. 10 - The following angles are given in radians. Convert...Ch. 10 - Express the angular velocity of the second hand on...Ch. 10 - Rank the following in order of increasing angular...Ch. 10 - A spot of paint on a bicycle tire moves in a...Ch. 10 - The Crab Nebula One of the most studied objects in...Ch. 10 - BIO Hummingbird Flapping The Ruby-throated...Ch. 10 - The following table gives the angular speed of a...Ch. 10 - Four objects, a, b, c, and d have the initial...Ch. 10 - Predict/Calculate A 3.5-inch floppy disk in a...Ch. 10 - The angle an airplane propeller makes with the...Ch. 10 - An object at rest begins to rotate with a constant...Ch. 10 - An object at rest begins to rotate with a constant...Ch. 10 - The angular speed of a propeller on a boat...Ch. 10 - After fixing a flat tire on a bicycle you give the...Ch. 10 - Predict/Calculate A ceiling fan is rotating at 0...Ch. 10 - A discus thrower starts from rest and begins to...Ch. 10 - Half Time At 3:00 the hour hand and the minute...Ch. 10 - BIO A centrifuge is a common laboratory instrument...Ch. 10 - The Slowing Earth The Earth's rate of rotation is...Ch. 10 - When a carpenter shuts off his circular saw the...Ch. 10 - The Worlds Fastest Turbine The drill used by most...Ch. 10 - Predict/Explain Two children. Jason and Betsy ride...Ch. 10 - The hour hand on a certain clock is 8.2 cm long....Ch. 10 - The outer edge of a rotating Frisbee with a...Ch. 10 - A carousel at the local carnival rotates once...Ch. 10 - A chainsaw is shown in Figure 10-27. When the saw...Ch. 10 - Predict/Calculate Jeff of the Jungle swings on a...Ch. 10 - A compact disk, which has a diameter of 12.0 cm,...Ch. 10 - Predict/Calculate When a compact disk with a...Ch. 10 - Predict/Calculate As Tony the fisherman reels in a...Ch. 10 - A Ferns wheel with a radius of 9.5 m rotates at a...Ch. 10 - Suppose the Ferris wheel in the previous problem...Ch. 10 - To polish a filling a dentist attaches a sanding...Ch. 10 - The Bohr Atom The Bohr model or me hydrogen atom...Ch. 10 - A wheel of radius R starts from rest and...Ch. 10 - Microwave Tray Most microwave ovens nave a glass...Ch. 10 - The tires on a car have a radius of 31 cm. What is...Ch. 10 - A child pedals a tricycle, giving the driving...Ch. 10 - A soccer ball, which has a circumference of 70.0...Ch. 10 - You drive down the road at 31 m/s (70 mi/h) in a...Ch. 10 - The wheels of a skateboard roll without slipping...Ch. 10 - The page feed roller of a computer printer grips...Ch. 10 - As you drive down the road at 17 m/s, you press on...Ch. 10 - Predict/Explain The minute and hour hands of a...Ch. 10 - Predict/Explain Suppose a bicycle wheel is rotated...Ch. 10 - The moment of inertia of a 0.98-kg bicycle wheel...Ch. 10 - An electric fan spinning with an angular speed of...Ch. 10 - BIO Spin-Dry Dragonflies Some dragonflies splash...Ch. 10 - The L-shaped object in Figure 10-32 can be rotated...Ch. 10 - Predict/Calculate A 12-g CD with a radius of 6 0...Ch. 10 - The engine of a model airplane must both spin a...Ch. 10 - Flywheel Energy Storage One way to store energy is...Ch. 10 - When a pitcher throws a curve ball, the ball is...Ch. 10 - A lawn mower has a flat, rod shaped steel blade...Ch. 10 - Prob. 56PCECh. 10 - Suppose the block in Example 10-19 has a mass of...Ch. 10 - Calculate the speeds of (a) the disk and (b) the...Ch. 10 - Predict/Calculate Atwoods Machine The two masses...Ch. 10 - In Conceptual Example 10 18, assume the ball is a...Ch. 10 - Predict/Calculate After you pick up a spare, your...Ch. 10 - Predict/Calculate A 1 3-kg block is tied to a...Ch. 10 - After doing some exercises on the floor you are...Ch. 10 - A 2.0-kg solid cylinder (radius = 0.10 m, length =...Ch. 10 - A 2 5-kg solid sphere (radius = 0.10 m) is...Ch. 10 - CE As you switch a fan setting from its slowest...Ch. 10 - CE When you stand on the observation deck of the...Ch. 10 - What linear speed must a 0.065-kg hula hoop have...Ch. 10 - BIO Losing Consciousness A pilot performing a...Ch. 10 - The angular velocity of a rotating wheel as a...Ch. 10 - A 68-kg commuter rides on an 8.1 -kg bicycle. Each...Ch. 10 - CE Place two quarters on a table with their rims...Ch. 10 - CE The object shown in Figure 10-38 can be rotated...Ch. 10 - Predict/Calculate When the Hands Align A...Ch. 10 - BIO Spinning Dragonflies Measurements show that...Ch. 10 - Predict/Calculate A potters wheel of radius 6.8 cm...Ch. 10 - Predict/Calculate Playing a CD The record m an...Ch. 10 - BIO Roller Pigeons Pigeons are bred to display a...Ch. 10 - BIO Dolphin Tricks A bottlenose dolphin (Tursiops...Ch. 10 - As a marble with a diameter of 1 6 cm rolls down...Ch. 10 - A rubber ball with a radius of 3.2 cm rolls along...Ch. 10 - Predict/Calculate A yo-yo moves downward until it...Ch. 10 - Predict/Calculate (a) An automobile with tires or...Ch. 10 - A Yo-Yo with a Brain Yomega (The yo-yo with a...Ch. 10 - The rotor in a centrifuge has an initial angular...Ch. 10 - The Sun, with Earth in tow, orbits about the...Ch. 10 - A person walks into a room and switches on the...Ch. 10 - BIO Preventing Bone Loss in Space When astronauts...Ch. 10 - A thin, uniform rod of length L and mass M is...Ch. 10 - Center of Percussion In the previous problem,...Ch. 10 - A wooden plank rests on two soup cans laid on...Ch. 10 - A person rides on a 12-m-diameter Ferris wheel...Ch. 10 - Predict/Calculate A solid sphere with a diameter...Ch. 10 - BIO Human-Powered Centrifuge Space travel is...Ch. 10 - BIO Human-Powered Centrifuge Space travel is...Ch. 10 - BIO Human-Powered Centrifuge Space travel is...Ch. 10 - BIO Human-Powered Centrifuge Space travel is...Ch. 10 - Referring to Conceptual Example 10-17 Suppose we...Ch. 10 - Referring to Conceptual Example 10-17 Consider a...
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- 5.78 .. DATA BIO The Flying Leap of a Flea. High-speed motion pictures (3500 frames/second) of a jumping 210 μg flea yielded the data to plot the flea's acceleration as a function of time, as shown in Fig. P5.78. (See "The Flying Leap of the Flea," by M. Rothschild et al., Scientific American, November 1973.) This flea was about 2 mm long and jumped at a nearly vertical takeoff angle. Using the graph, (a) find the initial net external force on the flea. How does it compare to the flea's weight? (b) Find the maximum net external force on this jump- ing flea. When does this maximum force occur? (c) Use the graph to find the flea's maximum speed. Figure P5.78 150 a/g 100 50 1.0 1.5 0.5 Time (ms)arrow_forward5.4 ⚫ BIO Injuries to the Spinal Column. In the treatment of spine injuries, it is often necessary to provide tension along the spi- nal column to stretch the backbone. One device for doing this is the Stryker frame (Fig. E5.4a, next page). A weight W is attached to the patient (sometimes around a neck collar, Fig. E5.4b), and fric- tion between the person's body and the bed prevents sliding. (a) If the coefficient of static friction between a 78.5 kg patient's body and the bed is 0.75, what is the maximum traction force along the spi- nal column that W can provide without causing the patient to slide? (b) Under the conditions of maximum traction, what is the tension in each cable attached to the neck collar? Figure E5.4 (a) (b) W 65° 65°arrow_forwardThe correct answers are a) 367 hours, b) 7.42*10^9 Bq, c) 1.10*10^10 Bq, and d) 7.42*10^9 Bq. Yes I am positve they are correct. Please dont make any math errors to force it to fit. Please dont act like other solutiosn where you vaugley state soemthing and then go thus, *correct answer*. I really want to learn how to properly solve this please.arrow_forward
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