ï»¿ A ball is dropped from a certain point. At the same time another ball is fired horizontally from the same height. Which one will hit the ground earlier? Explain. from Physics Motion in A Plane Class 11 Manipur Board

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A ball is dropped from a certain point. At the same time another ball is fired horizontally from the same height. Which one will hit the ground earlier? Explain.

Initial velocity of both the balls in vertical direction is zero. So,Â height by which both the balls have to fall is the same. Therefore, bothÂ the balls will hit the ground simultaneously.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 scalar quantity?

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