Advertisements
Advertisements
प्रश्न
Define acceleration. State its unit.
Advertisements
उत्तर
Acceleration is the rate of change of velocity with time.
Its SI unit is metre/second2 (m/s2).
APPEARS IN
संबंधित प्रश्न
What is meant by the term retardation? Name its S.I. unit.
Give one example of the following motion:
Uniform retardation
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?
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.
Explain the following concept in your own words with everyday examples:
Acceleration
State if the following situation is possible:
A body moving with constant acceleration but with Zero velocity.
Convert the following acceleration:
7200 km/h2 into m/s2
Convert the following acceleration:
1/36 m/s2 into km/h2
Figure represents graphically the velocity of a car moving along a straight road over a period of 100 hours.
Calculate the acceleration along AB and the retardation along BC.
A car starts from rest and it is travelling with a velocity of 20 m/s in 10 s. What is its acceleration?
