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प्रश्न
Show the difference between distance and displacement with the help of a diagram.
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उत्तर
In this case Distance travelled = half of the parameter of circle.
So distacne travelled is = πr
Displacement = diameter of circle.
So displacement is 2r
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संबंधित प्रश्न
A particle is moving in a circular path of radius r. The displacement after half a circle would be :
In which of the following cases of motion, the distance moved and the magnitude of displacement are equal?
Figure ahead represents the displacement - time sketch of motion of two cars A and B . Find :
(i) the distance by which the car B was initially ahead of car A.
(ii) the velocities of car A and car B.
(iii) the time in which car A catches car B.
(iv) the distance from start when the car A will catch the car B.
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.
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| (a) | (b) |
Give an example of a body which covers a certain distance, but its displacement is zero.
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?
Geetha takes 15 minutes from her house to reach her school on a bicycle. If the bicycle has a speed of 2 m/s, calculate the distance between her house and the school.
Is displacement a scalar quantity?
The rate of change of displacement ______.
Displacement can be zero but distance never.
