﻿  For any arbitrary motion in space, which of the following relations are true :  from Physics Motion in A Plane Class 11 Manipur Board

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Motion in A Plane

Physics Part I

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For any arbitrary motion in space, which of the following relations are true :

A.

(a) vaverage = (1/2) (v (t1) + v (t2))

A. FALSE
It is given that the motion of the particle is arbitrary. Therefore, the average velocity of the particle cannot be given by this equation.
It is given that the motion of the particle is arbitrary. Therefore, the average velocity of the particle cannot be given by this equation.
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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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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.

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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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Give three examples of scalar quantities.

Mass, temperature and energy
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Give three examples of vector quantities.

Force, impulse and momentum.
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