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
A body is moving vertically upwards. Its velocity changes at a constant rate from 50 m s−1 to 20 m s−1 in 3 s. What is its acceleration?
If a body is moving with a constant velocity its acceleration is ______.
Draw velocity – time graph for the following situation:
When a body is moving with variable velocity, but uniform retardation.
Draw velocity – time graph for the following situation:
When a body is moving with variable velocity and variable acceleration.
A racing car is moving with a velocity of 50 m/s. On
applying brakes, it is uniformly retarded and comes to rest in 20 seconds. Calculate its acceleration.
An aeroplane lands at 216 kmh−1 and stops after covering a runway of 2 m. Calculate the acceleration and the time, in which it comes to rest.
What do you mean by constant acceleration?
What do you understand about negative acceleration?
Assertion: A positive acceleration of a body can be associated with the slowing down of the body.
Reason: Acceleration is a vector.
When a body is said to be in
- uniform acceleration
- non–uniform acceleration?
