ï»¿ Two projectiles are projected with same velocity at same angle, one on the earth and second on the moon. If the projectile acquires the maximum height of H on the earth, then what will be the maximum height attained by the projectile on the moon? from Physics Motion in A Plane Class 11 Manipur Board

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Two projectiles are projected with same velocity at same angle, one on the earth and second on the moon. If the projectile acquires the maximum height of H on the earth, then what will be the maximum height attained by the projectile on the moon?

Maximum height attained by the projectile on the earth is,

Â

Acceleration due to gravity on the moon is g/6. Therefore maximum height attained by the projectile on the moon is,Â

Â

Thus maximum height attained on the moon is six times the maximum height attained on the earth.
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Give three examples of scalar quantities.

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

Force, impulse and momentum.
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