Advertisements
Advertisements
प्रश्न
The distance covered by a body is directly proportional to the square of the time elapsed. What can you say about its acceleration?
Advertisements
उत्तर
This means the body has a positive acceleration.
APPEARS IN
संबंधित प्रश्न
The velocity-time graph for a uniformly retarded body is a straight line inclined to the time axis with an obtuse angle. How is retardation calculated from the velocity-time graph?
From the velocity – time graph given below, calculate deceleration in region BC.

Diagram is given below shows velocity – time graph of car P and Q, starting from the same place and in the same direction. Calculate the Acceleration of car Q between 2 s – 5 s.

A car accelerates to a velocity of 30 m/s in 10 s and then decelerates for 20 s so that it stops. Draw a velocity-time graph to represent the motion and find:
The acceleration.
The rate of change of velocity is ______.
Negative acceleration is called ______.
The speed of a particle is constant. Will it have acceleration? Justify with an example.
What is meant by negative acceleration?
A car is being driven at a speed of 20ms-1 when brakes are applied to bring it to rest in 5 s. The deceleration produced in this case will be ______.
An object can be moving with uniform speed but with variable acceleration.
