Question

give example of each type of following motions :
a) uniform retardation .
b) variable acceleration .

Answer 1

example of uniform retardation =.>>

####retardation means negative acceleration or we can say when velocity decreases.
For e.g.when we apply brake on a car moving with 60 km/hour,Dainik velocity reduces to 60 km/hour 0.

##### variable acceleration which means its velocity changes continuously.

Answer 2

Hello friend..

Here's Your Answer
A) The earth may be assumed as a particle in comparison with its orbit
B) Velocity of vehicle decreases when brake is applied...

Hope it helped you
=Amna