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प्रश्न
Name the physical quantity obtained by dividing ‘Distance travelled’ by ‘Time taken’ to travel that distance.
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उत्तर
Speed is obtained by dividing 'distance travelled' by 'time taken' to travel that distance.
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संबंधित प्रश्न
Under what condition(s) is the magnitude of average velocity of an object equal to its average speed?
Joseph jogs from one end A to the other end B of a straight 300 m road in 2 minutes 30 seconds and then turns around and jogs 100 m back to point C in another 1 minute. What are Joseph’s average speeds and velocities in jogging?
- from A to B and
- from A to C?
State whether speed is a scalar or a vector quantity. Give reason for your choice.
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If a sprinter runs a distance of 100 metres in 9.83 seconds, calculate his average speed in km/h.
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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.
Express the following in m s-1.
18 km min-1
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.
