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प्रश्न
Is the average speed during different time intervals for a uniform motion the same or different?
उत्तर
Average speed during different time intervals for a uniform motion is same.
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संबंधित प्रश्न
If a body traverses a distance in direct proportion to the time, the speed of the body is ______.
Convert 20 m/s into km/hr.
Which is greater?
(i) 36 km/hr
(ii) 8.5 m/s
Does uniform speed mean constant speed?
A body goes from P to Q with a uniform speed of u and immediately returns back to P at a uniform speed of v. What is the average speed for the whole journey?
A car travels 30 km at a uniform speed of 60 km/h and the next 30 km at a uniform speed of 20 km/h. What is its average speed?
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.
Compare speed and velocity
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?
Assertion: The speed of a body can be Negative.
Reason: If the body is moving in the opposite direction of positive motion, then its speed is Negative.
