Motion in A Plane

Physics Part I

Physics

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The position of a particle is given by,

whereÂ*t*Â is in seconds and the coefficients have the proper units forÂ *r*Â to be in metres.

(b) What is the magnitude and direction of velocity of the particle at t = 2.0 s ?

whereÂ

(b) What is the magnitude and direction of velocity of the particle at t = 2.0 s ?

Â

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What are the basic characteristics that a quantity must possess so that it may be a vector quantity?

A quantity must possess the direction and must follow the vector axioms. Any quantity that follows the vector axioms are classified as vectors.Â

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What is a vector quantity?

A physical quantity that requires direction along with magnitude, for its complete specification is called a vector quantity.

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What is a scalar quantity?

A physical quantity that requires only magnitude for its complete specification is called a scalar quantity.

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