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प्रश्न
Asher says all objects having uniform speed need not have uniform velocity. Give reason.
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उत्तर
An object moving in uniform circular motion is moving around the perimeter of the circle with a constant speed. While the speed of object is constant, its velocity is changing, Ex: Merry-go-round, roller coaster, planets orbiting the sun.
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संबंधित प्रश्न
Suppose the two photographs, shown in Figure 1 and Figure 2, had been taken at an interval of 10 seconds. If a distance of 100 metres is shown by 1 cm in these photographs, calculate the speed of the fastest car.

Figure 1 Vehicles moving in the same direction on a road

Figure 2 Position of vehicles shown in Figure 1 after some time
If a body traverses a distance in direct proportion to the time, the speed of the body is ______.
______ is a scalar quantity.
Do speed and average speed of a body have the same meaning?
Does uniform speed mean constant speed?
For a body moving along a circular path, show that:
Linear speed = Angular velocity X radius of the circle
The correct relation among the following is
Usain Bolt crossed 100 meters in ______ seconds and made a world record.
Define speed Mention its formula and unit.
If Boojho covers a certain distance in one hour and Paheli covers the same distance in two hours, who travels at a higher speed?
