Advertisements
Advertisements
Question
Figure shows the velocity-time graphs for two cars A and B moving in the same direction. Which car has greater acceleration? Give reasons to your answer.
Advertisements
Solution
Car B has greater acceleration because the slope of line B is more than the slope of line A.
APPEARS IN
RELATED QUESTIONS
Draw a graph for acceleration against time for a uniformly accelerated motion. How can it be used to find the change in speed in a certain interval of time?
The acceleration of a moving body is constant in magnitude and direction. Must the path of the body be a straight line?
If not, given an example.
A car traveling at 60 km/h, stops on applying brakes in 10 seconds. What is its acceleration?
Write the SI unit of acceleration and retardation.
Interpret the following graph:
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 Deceleration.
The rate of change of velocity is ______.
Acceleration is defined as the rate of change of ______.
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 ______.
The value of acceleration for a body at rest is ______.
