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प्रश्न
A body goes from A to B with a velocity of 30 ms-1 and comes back from B to A with a velocity of 20 ms-1. What is the average velocity of the body for the whole journey?
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उत्तर
As displacement for the motion from A to B and B to A is zero so the average velocity of the body would be zero.
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संबंधित प्रश्न
Explain the following concept in your own words with everyday examples:
Velocity
Define angular velocity
Figure represents graphically the velocity of a car moving along a straight road over a period of 100 hours.
How long is the body travelling with a uniform velocity?
Exercise Problems.
A ball is gently dropped from a height of 20 m. If its velocity increases uniformly at the rate of 10 ms–2, with what velocity will it strike the ground? After what time will it strike the ground?
Speed of the body in a particular direction can be called ______.
If the velocity of the body decreases with time the acceleration is negative and the motion is called decelerated motion.
Distinguish between speed and velocity.
Distinguish between speed and velocity.
Distinguish between speed and velocity.
Define velocity.
