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Class 10 Class 12
An aeroplane is flying in horizontal direction with velocity u at a height h. How far from the target, should the bomb be released from it so as to hit the target?

Let the aeroplane be flying at height h in horizontal direction with velocity u.

Let the bomb be dropped from O to hit the target.

Let t be time taken by the bomb to reach the ground at target.

We know,
∴

i.e.,

Distance travelled by bomb in horizontal direction in time t is,

Bomb must be dropped at a distance=  from the target.
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Give three examples of vector quantities.

Force, impulse and momentum.
865 Views

Give three examples of scalar quantities.

Mass, temperature and energy
769 Views

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.
835 Views

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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