Physics, asked by Parkanna91, 5 months ago

Explain Velocity ..

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Answered by tripathimaya0987623

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.

Answered by MysticalGirl85

$\huge \underline \bold \red {Question-}$ ExpLaiN VeLOciTy

$\underline \bold \pink{What\:is \: _Velocity??}$

Average velocity is the ratio of total displacement to total time. Its direction is the same as the direction of the moving object. The magnitude of average velocity is always less than or equal to the average speed because displacement is always smaller than or equal to distance.

$\huge \underline \bold \orange {_Example→}$ Jewel goes to school in her dad’s car every morning. Her school is 8 km from her home, and she takes 15 mins to travel, but when she looks at the speedometer on the dashboard of the car, it shows a different reading all the time. So, now how would she know her velocity?

$\huge \underline \bold \green {✩Solution✩}$

Well, the average velocity of Jewel’s car could be found by:

For convenience, we have considered the car to move in a straight line, and we will convert all the units of time to hours. Therefore, 15 mins = 1560 = 0.25 hours.

Average velocity, v = △x△t

v = 8 km/0.25 hrs

v = 32 km/h

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