Velocity
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.
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 | |||
| View Explanation | |||
The rate of change of displacement with time is: | |||
| Right Option : C | |||
| View Explanation | |||
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 | |||
| View Explanation | |||
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