﻿ At what angle of projection the horizontal range is four times the maximum height attained by the projectile? from Physics Motion in A Plane Class 11 Manipur Board

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At what angle of projection the horizontal range is four times the maximum height attained by the projectile?

Given, horizontal range is four times the maximum height attained by the projectile.

i.e.,              R = 4H

We know,

Substituting R = 4H in the above equation,
we get,

i.e.,

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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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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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