vectors- polar coordinates

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Q. A vector has a magnitude of 5 units and it is at an angle of 30Â° to the radius. The representation of the vector in polar coordinates is________________ Ans given is 5cos 30Â°U_Q - 5 sin U_r i dint get the answer. mine was sumthing like, 5 cos 30Â° U_r + 5 sin 30Â° U_q pls explain where i went wrong ..

Ur represent the radius axis, Uq represent the theta axis (q= theta)

#Physics #General Physics

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1 Answers

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Philip Calvert ·2009-01-29 23:27:47

can anyone tell whats this U_q and U_r

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