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प्रश्न
Draw a diagram to show the motion of a body whose speed remains constant, but velocity changes continuously.
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उत्तर
A body moving in a circle with constant speed but variable velocity as the velocity of the body at any point is along the tangent to the circle at that point as shown in the figure.
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संबंधित प्रश्न
Under what condition(s) is the magnitude of average velocity of an object equal to its average speed?
Name the physical quantity which gives us an idea of how slow or fast a body is moving.
In addition to speed, what else should we know to predict the position of a moving body ?
Under which condition is the magnitude of average velocity equal to average speed ?
Give one example of a motion where an object does not change its speed but its direction of motion changes continuously.
Which of the following statement is correct regarding velocity and speed of a moving body?
Give one example of following motion :
Uniform velocity
Give one example of following motion :
Variable velocity
A car accelerates at a rate of 5 m s-2. Find the increase in its velocity in 2 s.
A train travels with a speed of 60 km h-1 from station A to station B and then comes back with a speed 80 km h-1 from station B to station A. Find -
- The average speed
- The average velocity of the train.
