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What is velocity? In detail .

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What is velocity? In detail .

Posted by Pranoti Mane 5 years, 4 months ago

CBSE > Class 09 > Science

3 answers

Abhishek Shukla 5 years, 4 months ago

Velocity : It is the speed of the body in given direction. Velocity = displacement ÷ time. For non uniform motion on a given line , average velocity will be calculated as same way as done in average speed. Average velocity=total displacement ÷ total time taken. For uniformly changing velocity, average velocity will be (v-c)÷t . Where, v = final velocity U = initial velocity.

Nandini Singh 5 years, 4 months ago

The meaning of velocity of an object can be defined as the rate of change of the object’s position with respect to a frame of reference and time. It might sound complicated but velocity is basically speeding in a specific direction. It is a vector quantity, which means we need both magnitude (speed) and direction to define velocity. The SI unit of it is meter per second (ms-1) if there is a change in magnitude or the direction in the velocity of a body the body is said to be accelerating.

Gaurav Seth 5 years, 4 months ago

Velocity: Velocity is the speed of an object moving in a definite direction.
The SI unit of velocity is also metre per second.
Velocity is a vector quantity; it has both magnitude and direction.

In most cases, objects will be in non-uniform motion. Therefore, we describe the rate of motion of such objects in terms of ‘average’.

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