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प्रश्न
Name the physical quantity associated with the rate of change of displacement with time.
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उत्तर
Velocity is the physical quantity associated with the rate of change of displacement with time.
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संबंधित प्रश्न
A ball moves on a smooth floor in a straight line with uniform velocity 10 m s-1 for 6 s. At t = 6 s, the ball hits a wall and comes back along the same line to the starting point with the same speed. Draw the velocity-time graph and use it to find the total distance travelled by the ball and its displacement.
Define Displacement.
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 ______.
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 |
State whether true or false. If false, correct the statement.
Distance covered by a particle never becomes zero but displacement becomes zero.
Give one example where the displacement is zero but the distance travelled is not zero.
Write a note on the following:
knot
A scalar quantity has ______.
Displacement magnitude can be greater than the distance traveled by the object.
