Advertisements
Advertisements
प्रश्न
State how the velocity-time graph can be used to find The displacement of the body in a given time.
उत्तर
The displacement of a body in a given time is given by the area enclosed between the velocity-time graph and X-axis (with proper signs).
APPEARS IN
संबंधित प्रश्न
Is displacement a scalar quantity?
If the displacement of an object is proportional to the square of time, then the object is moving with :
What can you say about the nature of motion of a body if its displacement-time graph is A straight line parallel to the time axis?
Figure (a) shows the velocity-time graph for the motion of a body. Use it to find the displacement of the body at t = 1 s, 2 s, 3 s and 4 s, then draw on Figure (b), the displacement-time graph for it.
 |
 |
| (a) | (b) |
Can you suggest the kind of motion of a body from the following distance – time graph?
A motor car slows down from 72 kmh−1 to 36 kmh−1 over a distance of 25 m. If the brakes are applied with the same force
calculate
- total time in which car comes to rest
- distance travelled by it.
Ashok starts from his house and travels 3 km to reach his school. On finding the school gates closed, he returns to his house. What is?
The displacement of Ashok
The graph shows how the velocity of a scooter varies with time in 50 s.
Work out: The distance traveled in 10 s, 20 s, and 50 s.
The table below shows the distance travelled by two vehicles A and B during each second:
| Time (s) | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| Distance travelled by A (m) | 0 | 20 | 80 | 180 | 240 | 300 | 360 | 420 |
| Distance travelled by B (m) | 0 | 10 | 40 | 90 | 160 | 250 | 360 | 490 |
Which vehicle is moving with uniform velocity?
An ant moves from one corner of a room diagonally to the opposite corner. If the dimensions of the hall are 8m x 6m, the displacement of the ant is ______.
