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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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Physics Principles c) Choose the equation of motion to calculate the total angular displacement traveled by the dust in 8 minutes from the list below: 1. A0 = 0 0 = wt 2. w = wo + at 3. Δ0 = 0 - 00 4. w² = S = = w₁t+ = =+a²2² 2 w²+2a40 d) Calculate the total angular displacement and the distance s traveled by the dust particle in 8 mins. Enter to 2 significant figures Δθ = m rad
Transcribed Image Text:Physics Principles c) Choose the equation of motion to calculate the total angular displacement traveled by the dust in 8 minutes from the list below: 1. A0 = 0 0 = wt 2. w = wo + at 3. Δ0 = 0 - 00 4. w² = S = = w₁t+ = =+a²2² 2 w²+2a40 d) Calculate the total angular displacement and the distance s traveled by the dust particle in 8 mins. Enter to 2 significant figures Δθ = m rad
1. A piece of dust finds itself on a CD. The spin rate of the CD is 480 rpm, and the piece of dust is 4.3 cm from the center. The CD rotates for 8.0 minutes. (Ignore the forces and acceleration needed to set and keep the CD in motion; only consider the piece of dust) a) Which quantities are constant during the spinning of the dust particle along with the CD? b) SET UP Using the notation 40 for angular displacement, 0 for angular position at time t, 0 for the initial angular position, w for angular velocity at time t, wo for the initial angular velocity, and a for the angular acceleration, and r for the distance of the particle from the center, determine what quantities are known and what are unknown. ● • Enter some known values below. Enter to 2 significant figures t = ✔min ✔cm ✔rad/s² ✔rpm r = a = f =
Transcribed Image Text:1. A piece of dust finds itself on a CD. The spin rate of the CD is 480 rpm, and the piece of dust is 4.3 cm from the center. The CD rotates for 8.0 minutes. (Ignore the forces and acceleration needed to set and keep the CD in motion; only consider the piece of dust) a) Which quantities are constant during the spinning of the dust particle along with the CD? b) SET UP Using the notation 40 for angular displacement, 0 for angular position at time t, 0 for the initial angular position, w for angular velocity at time t, wo for the initial angular velocity, and a for the angular acceleration, and r for the distance of the particle from the center, determine what quantities are known and what are unknown. ● • Enter some known values below. Enter to 2 significant figures t = ✔min ✔cm ✔rad/s² ✔rpm r = a = f =
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