1. A torque of 40 Nm is applied to a grinding wheel with moment of inertia 30 kg m² for 30 s.a) If it starts from rest, what is the angular velocity of the wheel after the torque is removed?W =rad/sb) Through what angle does the grinding wheel move, while the torque is being applied?ΔΘ =radc) What is the KE of the wheel after 30 s?KE =[✔]

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1. A torque of 40 Nm is applied to a grinding wheel with moment of inertia 30 kg m² for 30 s. a) If it starts from rest, what is the angular velocity of the wheel after the torque is removed? rad/s W = b) Through what angle does the grinding wheel move, while the torque is being applied? Δθ = rad c) What is the KE of the wheel after 30 s? KE = ✓J

1. A torque of 40 Nm is applied to a grinding wheel with moment of inertia 30 kg m² for 30 s. a) If it starts from rest, what is the angular velocity of the wheel after the torque is removed? rad/s W = b) Through what angle does the grinding wheel move, while the torque is being applied? Δθ = rad c) What is the KE of the wheel after 30 s? KE = ✓J

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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Question

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1. A torque of 40 Nm is applied to a grinding wheel with moment of inertia 30 kg m² for 30 s.
a) If it starts from rest, what is the angular velocity of the wheel after the torque is removed?
W =
rad/s
b) Through what angle does the grinding wheel move, while the torque is being applied?
ΔΘ =
rad
c) What is the KE of the wheel after 30 s?
KE =
[✔]

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