ï»¿ What is the angle between instantaneous velocity and acceleration at the highest point of trajectory? from Physics Motion in A Plane Class 11 Manipur Board

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What is the angle between instantaneous velocity and acceleration at the highest point of trajectory?

At the highest point of trajectory, velocity becomes zero.Â

So, the angle between instantaneous velocity and acceleration at the highest point of trajectory is 90Â°.
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Give three examples of vector quantities.

Force, impulse and momentum.
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Give three examples of scalar quantities.

Mass, temperature and energy
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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 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 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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