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प्रश्न
What do you understand by the average speed of a body?
उत्तर
Average speed of a body can be defined as ratio of total distance covered by a body In total time.
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संबंधित प्रश्न
Salma takes 15 minutes from her house to reach her school on a bicycle. If the bicycle has a speed of 2 m/s, calculate the distance between her house and the school.
Arrange the following speeds in the increasing order:
(i) A bicycle moving with a speed of 36 km/h.
(ii) A car moving with a speed of 2 km/min.
(iii) An athlete running with a speed of 7 m/s.
Can a body have negative speed?
On a 120 km track, a train travels the first 40 km at a uniform speed of 30 km/h. How fast must the train travel the next 80 km, so as to average 60 km/h for the entire trip.
Complete the analogy.
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A spaceship travels 36,000 km in one hour. Express its speed in km/s.
Which of the quantities have the same SI unit?
