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प्रश्न
State how the velocity-time graph can be used to find The displacement of the body in a given time.
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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).
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संबंधित प्रश्न
The displacement of a moving object in a given interval of time is zero. Would the distance travelled by the object also be zero ? Give reason for your answer.
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?
What can you say about the nature of motion of a body if its displacement-time graph is A straight line inclined to the time axis with an acute angle?
A body is moving in a straight line and its displacement at various instants of time is given in the following table
| Time (s) | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| Displacement (m) | 2 | 6 | 12 | 12 | 12 | 18 | 22 | 24 |
Plot the displacement-time graph and calculate
(i) Total distance travelled in the interval 1 s to 5 s.
(ii) Average velocity in time interval 1 s to 5 s.
Give an example of a body which covers a certain distance, but its displacement is zero.
A racehorse runs straight towards the north and covers 540 m in one minute. Calculate
- displacement of the horse,
- its velocity in (a) ms−1 (b) kmh−1.
Is distance covered during nth second more than the distance covered in n seconds?
A 50 m long train passes over a bridge at a speed of 30 km/h. If it takes 36 seconds to cross the bridge, calculate the length of the bridge.
Displacement / Time : Velocity :: Speed / Time : ______.
Distance travelled by a body in a given time ______.
