Question

By using one example of each define
1= Uniform velocity
2= Variable velocity
3=Average velocity​

Answer 1

Answer:

Hey

1. Uniform Velocity is term used to express a constant rate of change of distance per unit time. i.e. when your velocity is constant, we simply say 'you are moving at uniform velocity'.

ex :When a truck travels in equal distances in equal intervals of time then we say that the body has got a uniform velocity. In the above example a truck is traveling at 5 miles in all the positions at A, B, and C and all in the intervals of 5 minutes each.

2. Variable velocity is the velocity which changes with time. When a body covers unequal displacements in equal interval of time, it is said to have variable velocity.

ex : A body moving on a circular path with constant speed that is undergoing a uniform circular motion has variable velocity. The direction of velocity changes each moment and hence the velocity is not constant.

3. The average velocity of an object is its total displacement divided by the total time taken. In other words, it is the rate at which an object changes its position from one place to another. Average velocity is a Vector quantity. The SI unit is meters per second.

ex : The entire motion lasted for 24 seconds. Determine the average speed and the average velocity. The physics teacher walked a distance of 12 meters in 24 seconds; thus, her average speed was 0.50 m/s. However, since her displacement is 0 meters, her average velocity is 0 m/s.

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Answer 2

1) uniform velocity= if a body travles equal intervals of time along a perticular direction, to body is said to be moving with a uniform velocity

e.g. a train going along a tracks at steady speed

2) variable velocity = variable velocity in which the space described varies from instant to instant , either increasing or decreasing

e.g. a body moving with the uniform velocity when it has no acceleration.

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