7th Edition

ISBN: 2818440037979

Author: GIANCOLI

Publisher: PEARSON

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Textbook Question

Chapter 8, Problem 32P

A merry-go-round accelerates from rest to 0.68 rad/s in 34 s. Assuming the merry-go-round is a uniform disk of radius 7.0 m and mass 31,000 kg,calculate the net torque required to accelerate it.

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Chapter 8, Problem 31P

Chapter 8, Problem 33P

Students have asked these similar questions

Example Two charges, one with +10 μC of charge, and another with - 7.0 μC of charge are placed in line with each other and held at a fixed distance of 0.45 m. Where can you put a 3rd charge of +5 μC, so that the net force on the 3rd charge is zero?

* Coulomb's Law Example Three charges are positioned as seen below. Charge 1 is +2.0 μC and charge 2 is +8.0μC, and charge 3 is - 6.0MC. What is the magnitude and the direction of the force on charge 2 due to charges 1 and 3? 93 kq92 F == 2 r13 = 0.090m 91 r12 = 0.12m 92 Coulomb's Constant: k = 8.99x10+9 Nm²/C² ✓

Make sure to draw a Free Body Diagram as well

Chapter 8 Solutions

PHYSICS:PRINCIPLES W/ APPLICATIONS

Ch. 8 - A solid ball and a solid cylinder roll down a...Ch. 8 - A bicycle odometer (which counts revolutions and...Ch. 8 - Prob. 2Q Ch. 8 - Prob. 3Q Ch. 8 - Why is it more difficult to do a sit-up with your...Ch. 8 - If the net force on a system is zero, is the net...Ch. 8 - Mammals that depend on being able to run fast have...Ch. 8 - This book has three symmetry axes through its...Ch. 8 - Can the mass of a rigid object be considered...Ch. 8 - The moment of inertia of a rotating solid disk...

Ch. 8 - Two inclines have the same height but make...Ch. 8 - Two spheres look identical and have the same mass....Ch. 8 - A sphere and a cylinder have the same radius and...Ch. 8 - Prob. 13Q Ch. 8 - Prob. 14Q Ch. 8 - 15. Can the diver of Fig. 8-28 do a somersault...Ch. 8 - When a motorcyclist leaves the ground on a jump...Ch. 8 - Prob. 17Q Ch. 8 - 18. The angular velocity of a wheel rotating on a...Ch. 8 - 19. In what direction is the Earth's angular...Ch. 8 - 20. ‘On the basis of the law of conservation of...Ch. 8 - Bonnie sits on the outer rim of a merry-go-round,...Ch. 8 - Prob. 2MCQ Ch. 8 - Prob. 3MCQ Ch. 8 - Prob. 4MCQ Ch. 8 - Prob. 5MCQ Ch. 8 - Prob. 6MCQ Ch. 8 - Prob. 7MCQ Ch. 8 - Prob. 8MCQ Ch. 8 - Prob. 9MCQ Ch. 8 - Prob. 10MCQ Ch. 8 - Prob. 11MCQ Ch. 8 - Prob. 12MCQ Ch. 8 - Suppose you are sitting on a rotating stool...Ch. 8 - Express the following angles in radians: (a)...Ch. 8 - The Sun subtends an angle of about 0.5° to us on...Ch. 8 - A laser beam is directed at the Moon, 380,000 km...Ch. 8 - The blades in a blender rotate at a rate of 6500...Ch. 8 - 5. (II) The platter of the hard drive of a...Ch. 8 - Prob. 6P Ch. 8 - (a) A grinding wheel 0.35 m in diameter rotates at...Ch. 8 - Prob. 8P Ch. 8 - Calculate the angular velocity (a) of a clock's...Ch. 8 - Prob. 10P Ch. 8 - What is the linear speed, due to the Earth's...Ch. 8 - Prob. 12P Ch. 8 - How fast (in rpm) must a centrifuge rotate ifa...Ch. 8 - Prob. 14P Ch. 8 - Prob. 15P Ch. 8 - Prob. 16P Ch. 8 - An automobile engine slows down from 3500 rpm to...Ch. 8 - 18. (I) A centrifuge accelerates uniformly from...Ch. 8 - Prob. 19P Ch. 8 - Prob. 20P Ch. 8 - A wheel 31 cm in diameter accelerates uniformly...Ch. 8 - Prob. 22P Ch. 8 - Prob. 23P Ch. 8 - A 52-kg person riding a bike puts all her weight...Ch. 8 - Calculate the net torque about the axle of the...Ch. 8 - A person exerts a horizontal force of 42 N on the...Ch. 8 - Prob. 27P Ch. 8 - The bolts on the cylinder head of an engine...Ch. 8 - Determine the net torque on the 2.0-m-long uniform...Ch. 8 - Determine the moment of inertia of a 10.8-kg...Ch. 8 - 31. (I) Estimate the moment of inertia of a...Ch. 8 - A merry-go-round accelerates from rest to 0.68...Ch. 8 - Prob. 33P Ch. 8 - (II) A grinding wheel is a uniform cylinder with a...Ch. 8 - Prob. 35P Ch. 8 - Prob. 36P Ch. 8 - Prob. 37P Ch. 8 - Prob. 38P Ch. 8 - Prob. 39P Ch. 8 - Prob. 40P Ch. 8 - Prob. 41P Ch. 8 - Prob. 42P Ch. 8 - Prob. 43P Ch. 8 - A centrifuge rotor rotating at 9200 rpm is shut...Ch. 8 - 45. (II) To get a flat, uniform cylindrical...Ch. 8 - 46. (Ill) Two blocks are connected by a light...Ch. 8 - 47 (III) An Atwood machine consists of two masses,...Ch. 8 - A hammer thrower accelerates the hammer (mass...Ch. 8 - 49. (I) An automobile engine develops a torque of...Ch. 8 - A centrifuge rotor has a moment of inertia of 325...Ch. 8 - Prob. 51P Ch. 8 - Prob. 52P Ch. 8 - Prob. 53P Ch. 8 - Prob. 54P Ch. 8 - Prob. 55P Ch. 8 - Prob. 56P Ch. 8 - Prob. 57P Ch. 8 - Prob. 58P Ch. 8 - Prob. 59P Ch. 8 - What is the angular momentum of a 0.270-kg ball...Ch. 8 - (a) What is the angular momentum of a 2.8-kg...Ch. 8 - Prob. 62P Ch. 8 - Prob. 63P Ch. 8 - Prob. 64P Ch. 8 - Prob. 65P Ch. 8 - Prob. 66P Ch. 8 - A person of mass 75 kg stands at the center of a...Ch. 8 - Prob. 68P Ch. 8 - Prob. 69P Ch. 8 - Prob. 70P Ch. 8 - Prob. 71P Ch. 8 - Prob. 72P Ch. 8 - Prob. 73P Ch. 8 - Prob. 74P Ch. 8 - Prob. 75GP Ch. 8 - Prob. 76GP Ch. 8 - Prob. 77GP Ch. 8 - Prob. 78GP Ch. 8 - Prob. 79GP Ch. 8 - Prob. 80GP Ch. 8 - Prob. 81GP Ch. 8 - Figure 8-59 illustrates an H20 molecule The O — H...Ch. 8 - A hollow cylinder (hoop) is rolling on a...Ch. 8 - Prob. 84GP Ch. 8 - Prob. 85GP Ch. 8 - Prob. 86GP Ch. 8 - Prob. 87GP Ch. 8 - Prob. 88GP Ch. 8 - Prob. 89GP Ch. 8 - Prob. 90GP Ch. 8 - A large spool of rope rolls on the ground with the...Ch. 8 - The Moon orbits the Earth such that the same side...Ch. 8 - Prob. 93GP Ch. 8 - Most of our Solar System's mass is contained in...Ch. 8 - Prob. 95GP Ch. 8 - Prob. 96GP

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