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art (c) Calculate the magnitude of the angular acceleration of the turntable in Case 1, in radians/second?. umeric A numeric value is expected and not an expression. art (d) Calculate the magnitude of the angular acceleration of the turntable (in radians/second?) while increasing to 120 RPM (Case 2 Tumeric : A numeric value is expected and not an expression. art (e) How long (in seconds) does it take for the turntable to go from fj = 78 to f = 120 RPM? Tumeric : A numeric value is expected and not an expression.

art (c) Calculate the magnitude of the angular acceleration of the turntable in Case 1, in radians/second?. umeric A numeric value is expected and not an expression. art (d) Calculate the magnitude of the angular acceleration of the turntable (in radians/second?) while increasing to 120 RPM (Case 2 Tumeric : A numeric value is expected and not an expression. art (e) How long (in seconds) does it take for the turntable to go from fj = 78 to f = 120 RPM? Tumeric : A numeric value is expected and not an expression.

College Physics
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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8.1 parts d & c, previous parts are answered

Problem 1: Case 1: A DJ starts up her phonograph player. The turntable accelerates uniformly from rest, and takes t, = 11.6 seconds to get up to its full speed of f1 = 78 revolutions per minute. Case 2: The DJ then changes the speed of the turntable from f, = 78 to f, = 120 revolutions per minute. She notices that the turntable rotates exactly n2= 18 times while accelerating uniformly. Randomized Variables t, = 11.6 seconds n2 = 18 times Part (a) Calculate the angular speed described in Case 1, given as fj = 78 revolutions per minute, into units of radians/second. Numeric : A numeric value is expected and not an expression. %3D 8.17 Part (b) How many revolutions does the turntable make while accelerating in Case 1? Numeric : A numeric value is expected and not an expression. n1 =. 7.54 Part (c) Calculate the magnitude of the angular acceleration of the turntable in Case 1, in radians/second?. Numeric : A numeric value is expected and not an expression. a1 =. Part (d) Calculate the magnitude of the angular acceleration of the turntable (in radians/second-) while increasing to 120 RPM (Case 2). Numeric : A numeric value is expected and not an expression. az = Part (e) How long (in seconds) does it take for the turntable to go from f, = 78 to f, = 120 RPM? Numeric : A numeric value is expected and not an expression. t, =
Transcribed Image Text:Problem 1: Case 1: A DJ starts up her phonograph player. The turntable accelerates uniformly from rest, and takes t, = 11.6 seconds to get up to its full speed of f1 = 78 revolutions per minute. Case 2: The DJ then changes the speed of the turntable from f, = 78 to f, = 120 revolutions per minute. She notices that the turntable rotates exactly n2= 18 times while accelerating uniformly. Randomized Variables t, = 11.6 seconds n2 = 18 times Part (a) Calculate the angular speed described in Case 1, given as fj = 78 revolutions per minute, into units of radians/second. Numeric : A numeric value is expected and not an expression. %3D 8.17 Part (b) How many revolutions does the turntable make while accelerating in Case 1? Numeric : A numeric value is expected and not an expression. n1 =. 7.54 Part (c) Calculate the magnitude of the angular acceleration of the turntable in Case 1, in radians/second?. Numeric : A numeric value is expected and not an expression. a1 =. Part (d) Calculate the magnitude of the angular acceleration of the turntable (in radians/second-) while increasing to 120 RPM (Case 2). Numeric : A numeric value is expected and not an expression. az = Part (e) How long (in seconds) does it take for the turntable to go from f, = 78 to f, = 120 RPM? Numeric : A numeric value is expected and not an expression. t, =
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