ï»¿ A body of mass m accelerates uniformly from rest to v1 in time t1. The instantaneous power delivered to the body as a function of time t is from Physics Motion in A Plane Class 11 Manipur Board

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A body of mass m accelerates uniformly from rest to v1 in time t1. The instantaneous power delivered to the body as a function of time t is

B.

Let the constant acceleration of body of mass m is a.
From equation of motion

v1 = 0 + at1
â‡’ a = t2/t1Â = ...... (i)
At an instant t, the velocity v of the body v = 0 + at

Let the constant acceleration of body of mass m is a.
From equation of motion

v1 = 0 + at1
â‡’ a = t2/t1Â = ...... (i)
At an instant t, the velocity v of the body v = 0 + at

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A physical quantity that requires direction along with magnitude, for its complete specification is called a vector quantity.
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Give three examples of vector quantities.

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Give three examples of scalar quantities.

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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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