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
Explain the meaning of the terms rest and motion.
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.
When a car runs on a circular track with a uniform speed, its velocity is said to be changing. This is because ______.
In the speed-time graph for a moving object shown here, the part which indicates uniform deceleration of the object is :
Which of the quantity-speed or velocity-gives the direction of motion of a body?
Unit of speed is
A simple pendulum is oscillating between two points A and B as shown in figure. Is the motion of the bob uniform or non-uniform?
Paheli moves on a straight road from point A to point C. She takes 20 minutes to cover a certain distance AB and 30 minutes to cover the rest of distance BC. She then turns back and takes 30 minutes to cover the distance CB and 20 minutes to cover the rest of the distance to her starting point. She makes 5 rounds on the road the same way. Paheli concludes that her motion is ______.
Rest and motion of the body are ______.
