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प्रश्न
Give an example of the motion of a body moving with a constant speed but with a variable velocity. Draw a diagram to represent such a motion.
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उत्तर
The motion of a body in a circular path with uniform speed has a variable velocity because in the circular path, the direction of motion of the body continuously changes with time.
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संबंधित प्रश्न
Write the formula for acceleration. Give the meaning of each symbol which occurs in it.
Which of the following could not be a unit of speed?
Express 15 m s-1 in km h-1.
Figure shows the displacement of a body at different times .
Calculate the velocity of the body as it moves for time interval :
(i) 0 to 5 s,
(ii) 5 s to 7 s
(iii) 7 s to 9 s.
From the displacement-time graph of a cyclist given below in the Figure, find The average velocity in the first 4 s.
A body moves from rest with uniform acceleration and travels 270 m in 3 s. Find the velocity of the body at 10 s after the start.
Define variable velocity and give one example.
Define average velocity and give one example.
Define speed of a body.
How many variables are present in each equation of motion?
