This is a motion where an object is moving around a center and usually connected to a string or attracted to a magnetic force. a. linear motion b. projectile c. rotational d. circular e. vertical motion This is a motion where an object itself is pivoting in its position. a. linear motion b. projectile c. rotational d. circular e. vertical motion

This is a motion where an object is moving around a center and usually connected to a string or attracted to a magnetic force. a. linear motion b. projectile c. rotational d. circular e. vertical motion This is a motion where an object itself is pivoting in its position. a. linear motion b. projectile c. rotational d. circular e. vertical motion

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter10: Fixed-axis Rotation

Section: Chapter Questions

Problem 109AP: A phonograph turntable rotating at 331/3rev/min slows down and stops in 1.0 min. (a) What is the...

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A phonograph turntable rotating at 331/3rev/min slows down and stops in 1.0 min. (a) What is the turntable’s angular acceleration assuming it is constant? (b) How many revolutions does the turntable make while stopping?
An old-fashioned LP record rotates at 33 (1)/(3)rpm.a. What is its frequency, in rev/s?b. What is its period, in seconds?
You are driving down the highway at 65 mph, which is 29 m/s. Your tires have a radius of 0.30 m.a. How many times per second does each tire rotate?b. What is the speed of a point at the top of a tire, relative to the ground?
A ceiling fan is rotating 245 times each minute. a. What is its frequency? b. What is its period of rotation? c. What is its angular velocity? d. When the fan is turned off, it slows down at 2.50 rad/s2. How long will it take the fan to stop?
A CD has a diameter of 120mm and spins at 540 rpm. A. What is period? B. If a speck of dust is riding on the edge, what is its velocity? C. What is the specks acceleration? D. What force accelerates at the speed of the dust?
Suppose that a disk rotates through five revolutions in 4 seconds. b. What is its average rotational velocity in rad/s?
When one of the authors was a teenager, the rate of rotation for popular music records on a record player was 45 RPM. a. Express this rotational velocity in rev/s. b. Through how many revolutions does the record turn in a time of 5 s?
A boy is riding his bike at 23 m/s if his wheels radius is .7 meters.a. What is the rotational speed of the wheel (in rev/sec)?b. What is the period of the wheel (in seconds)?
A turntable that is initially at rest is set in motion with a constant angular acceleration a A. What is the angular velocity after it has completed 1 revolution? B. How much time will it take to complete 1 revolution?
A wheel makes 4.0 rotations in 1 second, rotating at constant angularvelocity.a. What is the angular velocity?b. What will its angular displacement be after 13.0 s?
A worker laying cable for a company's Internet connections has a spool of Cat 7a cable. The spool has a radius of 0.350 m. The cable is unspooled by unwinding the spool turning it through 77.0 revolutions. How long is the cable when it is unwrapped from the spool? Select one: a. 27.0 m b. 169.m 4.29 m Od. 1,380.m C.
The crankshaft in a race car goes from rest to 3000 rpm in 2.0 s.a. What is the crankshaft’s angular acceleration?b. How many revolutions does it make while reaching 3000 rpm?