1. An ordinary workshop grindstone has a radius of 7.50 cm and rotates at 6500 rev/min.(a) What is its angular velocity in radians per second?w =(b) Calculate the centripetal acceleration at its edge in meters per second squareda =(c) What is the linear speed of a point on its edge?V =innorting the weight of

Given: The radius of grindstone is R=7.50 cm. The number of turns is N=6500 rev/min. (a) The…

Answered: 1. An ordinary workshop grindstone has…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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A cyclist starts from rest and pedals such that the wheels of his bike have a constant angular acceleration.After 18 s, the wheels have made 76 rev. What is the angular velocity of the wheels after 18 s in rad/s ? What is the angular acceleration of the wheels in rad/s2 ?If the radius of the wheel is 32 cm, and the wheel rolls without slipping, how far has the cyclist (in m) traveled in 18 s?
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What is the magnitude of the tangential acceleration of a bug on the rim of a 13.0-in.-diameter disk if the disk accelerates uniformly from rest to an angular speed of 76.0 rev/min in 5.00 s? One second after the bug starts from rest, what is the magnitude of its tangential acceleration? One second after the bug starts from rest, what is the magnitude of its centripetal acceleration?
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2. A wheel of radius 20 cm is initially rotating at 12 rpm. It then speeds up at a constant rate, reaching a speed of 35 rpm after 3.1 seconds. a) What is the angular acceleration of the disk? b) How much does it rotate (in radians) while it is accelerating from 12 to 35 rpm?" c) What is total acceleration (in m/s?) of a point on the edge of the disk at the moment it has just started accelerating?|
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Question A motorcycle wheel that is exactly 1.25 m in diameter, 0.20 m thick and (30 pl Duesti 2.5 kg in mass is rotating at 60 revolutions per minute. a) What is the magnitude of the angular velocity of the motorcycle wheel, 00 in radians per second? the b) What is the magnitude of the velocity of the outermost Note: Treat motorcycle wheel (r = 62.5 cm), in m/s? tod. xis perpendicular nts c) What is the magnitude of the velocity of a point that is 30.0 cm from b) Calcu! the central axis of the motorcycle wheel, in m/s? ing at otational velocity of 0. Ais porp aler to the ita conter (Le, so the normal Iberti f od rough e) ll h o all of s k(points) 251 of shat
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