You push on a rectangular door at the location of the knob (see diagram for top view). The door s mass is 77.0 kg, and its side-to-side width is 1.97 m. The knob is located 0.12 m from the right-hand side of the door. If you push with a force of 166 N, what will the be the door s angular acceleration as it swings on its hinges? (Note: the moment of inertia of the door of mass M and width x, swinging on its hinges, is (1/3) M x^2.) 4.00 rad/s^2 1.23 rad/s^2 3.08 rad/s^2 1.54 rad/s^2

You push on a rectangular door at the location of the knob (see diagram for top view). The door s mass is 77.0 kg, and its side-to-side width is 1.97 m. The knob is located 0.12 m from the right-hand side of the door. If you push with a force of 166 N, what will the be the door s angular acceleration as it swings on its hinges? (Note: the moment of inertia of the door of mass M and width x, swinging on its hinges, is (1/3) M x^2.) 4.00 rad/s^2 1.23 rad/s^2 3.08 rad/s^2 1.54 rad/s^2

Intro Spectroscopy

5th Edition

ISBN:9781305221796

Author:PAVIA

Publisher:PAVIA

Chapter3: Mass Spectrometry: Part One: Basic Theory, Instrumentation And Sampling Techniques

Section: Chapter Questions

Problem 4P

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QUESTION 10

You push on a rectangular door at the location of the knob (see diagram for top view). The door s mass is 77.0 kg, and its side-to-side width is 1.97 m. The knob is located 0.12 m from the right-hand side of the door. If you push with a force of 166 N, what will the be the door s angular acceleration as it swings on its hinges? (Note: the moment of inertia of the door of mass M and width x, swinging on its hinges, is (1/3) M x^2.)

4.00 rad/s^2

1.23 rad/s^2

3.08 rad/s^2

1.54 rad/s^2

Definition Definition Rate of change of angular velocity. Angular acceleration indicates how fast the angular velocity changes over time. It is a vector quantity and has both magnitude and direction. Magnitude is represented by the length of the vector and direction is represented by the right-hand thumb rule. An angular acceleration vector will be always perpendicular to the plane of rotation. Angular acceleration is generally denoted by the Greek letter α and its SI unit is rad/s 2 .

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