Advertisements
Advertisements
प्रश्न
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:
Distance travelled
उत्तर
Distance travelled= area under speed time graph = `1/2`x30x30 =450 m.
APPEARS IN
संबंधित प्रश्न
Explain the following concept in your own words with everyday examples:
Acceleration
State its value in C.G.S. as well as in S.I. system.
Write the SI unit of retardation.
Interpret the following graph:
Convert the following acceleration:
7200 km/h2 into m/s2
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.
When a body starts from rest, the acceleration of the body after 2 seconds in ______ of its displacement.
A quantity has a value of 16ms-2. It is the ______.
An object can be moving with uniform speed but with variable acceleration.
What is the difference between uniform acceleration and non–uniform acceleration?