Homework Statement
A particle has a mass of 2kg and moves in the xy plane with a constant speed of 3m/s along the direction of the vector r = i + j. What is the particle's angular momentum relative to the point (0,5) meters?
The Attempt at a Solution
I am studying for my exam and i am a little confused about this problem.
Answers and Replies
From the vector r=i+j , you can see the particle at some time will be at point (0,0). Here, it is 5 meters from the point (0,5). The angle is that between the line that connects the particle and the point and the movement vector of the particle.
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