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प्रश्न
Match the following.
| 1. | Displacement | Knot |
| 2. | Light travelling through vacuum | Geometric centre |
| 3. | Speed of ship | Metre |
| 4. | Centre of gravity of geometrical shaped objects | Larger base area |
| 5. | Stability | Uniform velocity |
उत्तर
| 1. | Displacement | Metre |
| 2. | Light travelling through vacuum | Uniform velocity |
| 3. | Speed of ship | Knot |
| 4. | Centre of gravity of geometrical shaped objects | Larger base area |
| 5. | Stability | Geometric centre |
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संबंधित प्रश्न
A body travels a distance of 3 km towards East, then 4 km towards North and finally 9 km towards East.
What is the resultant displacement ?
In which of the following cases of motion, the distance moved and the magnitude of displacement are equal?
How is the distance related with time for motion under uniform acceleration such as the motion of a freely falling body?
Can you suggest the kind of motion of a body from the following distance – time graph?
From the displacement – time graph shown given below calculate :
- Velocity between 0 – 2 s.
- Velocity between 8 s – 12 s.
- Average velocity between 5 s – 12 s.
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.
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.
Is displacement a scalar quantity?
Write a note on the following:
knot
In which of the following cases of motions, the distance moved and the magnitude of displacement are equal?
