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A vector of magnitude 5,makes an angle 6...

A vector of magnitude 5,makes an angle `60^@` with the y-axis .Express the vector in mathematical terms?

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JBD PUBLICATION-KINEMATICS-EXAMPLE
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  16. What is the effect of air resistance on the time of flight and horizon...

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  17. State, for each of the following physical quantities, if it is a scala...

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  18. What is the essential condition for addition of two vectors?

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  19. What is the physical meaning of zero vector?

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  20. Write expression for a position vector in space.

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