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प्रश्न
What can you say about the nature of motion of a body if its displacement-time graph is A curve.
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उत्तर
It depicts that the body is moving with variable velocity.
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संबंधित प्रश्न
Is displacement a scalar quantity ?
Under what conditions can a body travel a certain distance and yet its resultant displacement be zero ?
Explain the following concept in your own words with everyday examples:
Distance
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.
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.
The shortest distance between two places is ______.
Distinguish distance and displacement.
Give some examples for vector quantity.
Using the following data, draw time - displacement graph for a moving object:
| Time (s) | 0 | 2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 |
| Displacement (m) | 0 | 2 | 4 | 4 | 4 | 6 | 4 | 2 | 0 |
Use this graph to find average velocity for the first 4 s, for the next 4 s and for the last 6 s.
Choose the correct option.
