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प्रश्न
Speed is a ______ quantity whereas velocity is a ______ quantity.
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उत्तर
Speed is a scalar quantity whereas velocity is a vector quantity.
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संबंधित प्रश्न
The distance between two stations is 240 km. A train takes 4 hours to cover this distance. Calculate the speed of the train.
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
When is instantaneous speed the same as the average speed?
______ is a scalar quantity.
What do you understand by the average speed of a body?
Is the average speed during different time intervals for a uniform motion the same or different?
During circular motion, which physical quantity of the body:
Remains constant
Complete the analogy.
Distance : metre :: Speed: ______?
The speed of a train is expressed in m/h.
Speed is always positive or zero but never be ______.
