What is velocity... Explain with example
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the velocity on an object is the rate of change of its position with respect to a frame reference and is a function of time.
For example, "5 metres per second" is a scalar, whereas "5 metres per second east" is a vector. If there is a change in speed, direction or both, then the object has a changing velocity and is said to be undergoing an acceleration.
For example, "5 metres per second" is a scalar, whereas "5 metres per second east" is a vector. If there is a change in speed, direction or both, then the object has a changing velocity and is said to be undergoing an acceleration.
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- Velocity is the rate of change of position w.r.t time in a particular direction.
- Example :- Two cars moving with a speed of 40km/h , one towards the east and other towards the west. Then velocity of one car with respect to the other is negative.
- Displacement of a moving body per unit time is called the velocity of the body.
- Velocity = Displacement / Time taken
- Velocity is a vector quantity.
- It's SI unit is metre per second (m/s).
- Velocity can be negative.
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