Velocity


 
 
Concept Explanation
 

Velocity

Velocity

The velocity of an object is a quantity that gives the speed of an object as well as its direction of motion. Velocity has magnitude as well as direction. It is a vector quantity. The unit of velocity is meter per second(m/s).

One can easily tell the fastest of the two if they are moving in the same direction on the same road.But if their direction of motion is in the opposite direction, then it is difficult to determine the fastest. In such cases, the concept of velocity is helpful, which we shall be discussing in this

One can easily tell the fastest of the two if they are moving in the same direction on the same road. But if their direction of motion is in the opposite direction, then it is difficult to determine the fastest. In such cases, the concept of velocity is helpful.

Sample Questions
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Question : 1

A train 50 m long passes over a bridge at a velocity of 30 km/h.if it takes 36 s to cross the bridge, the length of the bridge will be

Right Option : C
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Explanation
Question : 2

When a body moves along a straight line,magnitude of its velocity is equal to speed the body.

Right Option : A
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Explanation
Question : 3

A 250 m long train is moving with a uniform velocity of 45 km/h. The time taken by the train to cross a bridge of length 750 meters is:

Right Option : C
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Explanation
 
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