Advertisements
Advertisements
प्रश्न
Figure given below shows a velocity-time graph for a car starting from rest. The graph has three parts AB, BC and CD.

Which part of graph shows motion with uniform
(a) velocity (b) acceleration (c) retardation ?
Advertisements
उत्तर
(a) BC shows motion with uniform velocity.
(b) AB shows motion with uniform acceleration.
(c) CD shows motion with uniform retardation.
APPEARS IN
संबंधित प्रश्न
Give a scientific reason.
When an object falls freely to the ground, its acceleration is uniform.
What is meant by the term retardation? Name its S.I. unit.
A body falls freely from a certain height. Show graphically the relation between the distance fallen and square of time. How will you determine g from this graph?
Explain the following concept in your own words with everyday examples:
Acceleration
From the velocity – time graph given below, calculate deceleration in region BC.

A body falls towards the earth. Does it have positive or negative acceleration?
A car traveling at 60 km/h, stops on applying brakes in 10 seconds. What is its acceleration?
When a body starts from rest, the acceleration of the body after 2 seconds in ______ of its displacement.
The value of acceleration for a body at rest is ______.
It is possible to have objects moving with uniform speed but variable acceleration.
