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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
When is the magnitude of displacement equal to the distance?
What can you say about the nature of motion of a body if its displacement-time graph is A curve.
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) |
When brakes are applied to a bus, retardation produced is 25 cm s-2 and the bus takes 20 s to stop. Calculate -
- The initial velocity of the bus
- The distance travelled by bus during this time.
Define Distance.
Can you suggest the kind of motion of a body from the following distance – time graph?
A satellite makes a complete round along its circular orbit. What is its displacement?
The figure represents graphically the velocity of a car moving along a straight road over a period of 100 hours.
Calculate the distance travelled in the last 40 h.
Write a note on the following:
knot
A car starts from rest and moves along the x-axis with constant acceleration 5 ms–2 for 8 seconds. If it then continues with constant velocity, what distance will the car cover in 12 seconds since it started from the rest?
