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प्रश्न
Ashok starts from his house and travels 3 km to reach his school. On finding the school gates closed, he returns to his house. What is?
The displacement of Ashok
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उत्तर
Displacement is =O as starting and ending point are coinciding.
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संबंधित प्रश्न
If the displacement of an object is proportional to the square of time, then the object is moving with :
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 obtuse angle?
A bird sitting on a wire, flies, circles around and comes back to its perch. Explain the total distance it traversed during its flight and its eventual displacement.
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 motorbike running at 90 kmh−1, is slowed down to 54 kmh−1 by the application of brakes, over a distance of 40 m. If the brakes are applied with the same force, calculate
- total time in which bike comes to rest
- total distance travelled by bike.
Can a body have negative displacement?
Name the physical quantity associated with the rate of change of displacement with time.
A body moves along a circular path of radius r. When it completes three complete rounds, what is the ratio of distance covered to its displacement?
Give one example where the displacement is zero but the distance travelled is not zero.
Assertion: If the displacement of the body is zero, the distance covered by it may not be zero.
Reason: Displacement is a vector & distance is a scalar quantity.
