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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
Which is greater?
(i) 60 km/hr
(ii) 15 m/s
A boy covers half of his journey with a uniform speed of u and the other half with a uniform speed of v. What is the average speed for the whole journey?
A car travels from P to Q at a uniform speed of 20 ms-1 and immediately turns back and travels towards Q with a uniform speed of 30 ms-1. What is the average speed for the whole journey?
The relation S= v x t can easily be used to find the tota l distance covered by a body moving with non -uni form speed. (Yes/ no)
Can a body have negative speed?
For a body moving along a circular path, show that:
Linear speed = Angular velocity X radius of the circle
A train travels the first 30km of its journey at 30km/h. Find the speed it should travel the next 90km to have an average speed of 60km/h.
What is the unit of average speed in SI system?
The correct symbol to represent the speed of an object is ______.
Paheli and Boojho have to cover different distances to reach their school but they take the same time to reach the school. What can you say about their speed?
