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## Previous Year Papers

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Class 10 Class 12

The range of a particle, when launched at an angle of 15o with the horizontal, is 1.5 km. What is the range of the projectile when launched at an angle of 45o to the horizontal?

Given that,

Horizontal range for angle of projection 45o will be,

That is the range of projectile is 3 km.

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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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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 is a scalar quantity?

A physical quantity that requires only magnitude for its complete specification is called a scalar quantity.
1212 Views

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