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Q2-A-Three masses are placed on the x-axis :100g at x-0;200g at x=20cm ;and 400g at x=70cm. Determine the center of mass. B-If A=3i + 2j ; and B =i + 5j ; find the angle .between the vectors A ,B

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter8: Rotational Equilibrium And Rotational Dynamics

Section: Chapter Questions

Problem 7WUE

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Question

Q2-A-Three masses are placed on
the x-axis :100g at x-0;200g at
x=20cm ;and 400g at x=70cm.
Determine the center of mass. B-If
A=3i + 2j ; and B =i + 5j ; find the angle
.between the vectors A ,B

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