Advertisements
Advertisements
प्रश्न
A particle is moving in a circular path of radius r. The displacement after half a circle would be:
पर्याय
Zero
πr
2r
2πr
Advertisements
उत्तर
2r
Displacement is the shortest distance measured from the initial position to the final position.

Therefore, displacement after half a circle is the diameter of the circular path, i.e., 2r
APPEARS IN
संबंधित प्रश्न
Select the correct alternative:
A book lying on a table is an example of
Comment on the statement ‘rest and motion are relative terms’. Give an example.
Name the type of motion being performed by Vehicle on a straight road.
The area under a speed-time graph represents a physical quantity which has the unit of :
In the speed-time graph for a moving object shown here, the part which indicates uniform deceleration of the object is :
Match the Following.
| Sr. No. | List I | List II | |
| 1. | Motion of a body covering equal distances in equal interval of time | A. | ![]() |
| 2. | Motion with non uniform acceleration | B. | ![]() |
| 3. | Constant retardation | C. | ![]() |
| 4. | Uniform acceleration | D. | ![]() |
What do you mean by uniform motion?
Motion is of ______ types.
Given below as figure is the distance-time graph of the motion an object.

- What will be the position of the object at 20s?
- What will be the distance travelled by the object in 12s?
- What is the average speed of the object?
Motion & rest are relative terms.




