Advertisements
Advertisements
Question
What happens to the stepwise increasing speed-time graph when the size of each step is made very small?
Advertisements
Solution
The graph becomes straight line with positive slope with time axis and represents almost a constant acceleration.
APPEARS IN
RELATED QUESTIONS
When is the acceleration due to gravity negative?
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.
From the diagram given below, calculate deceleration.
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.
The speed of a car increases from 10 km/h to 64 km/h in 10 seconds. What will be its acceleration?
The graph shows how the velocity of a scooter varies with time in 50 s.
Work out: Acceleration.
A quantity has a value of 16ms-2. It is the ______.
If a body starts from rest, what can be said about the acceleration of the body?
Assertion: A positive acceleration of a body can be associated with the slowing down of the body.
Reason: Acceleration is a vector.
Assertion: When a body is subjected to a uniform acceleration, it is always moving in a straight line.
Reason: Motion may be straight-line motion or circular motion.
