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Questions tagged [velocity]

Velocity is a vector quantity referring to the rate at which an object changes its position.

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How to choose the correct graph

This is a question based on electromagnetism. Screenshot of the question and all the necessary stuffs are given below, This is the figure , And the choices that are given, First choice Second ...
4
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1answer
525 views

Doppler shift velocity sensor

Any reasonable priced (sub 20$/100) ways to directly measure indoors velocities between around 0.1 and 15m/s? Its main purpose would be to reduce speed drift for a 9DOF device (acc/gyro,magnetometer)...
2
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2answers
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Brushless DC motor problems at high velocities

For a project we use a brushless DC (BLDC) motor. Everything works fine until we tried to reach high velocities. I will first explain my setup, and than explain our problems using some graphs. ...