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प्रश्न
What do you understand by the average speed of a body?
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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
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
______ is the distance traversed by a body in a particular direction in unit time.
Define Speed.
Which is greater?
(i) 60 km/hr
(ii) 15 m/s
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.
Usain Bolt crossed 100 meters in ______ seconds and made a world record.
If Boojho covers a certain distance in one hour and Paheli covers the same distance in two hours, who travels at a higher speed?
A spaceship travels 36,000 km in one hour. Express its speed in km/s.
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.
Abus from Chennai travels to Trichy passes loo km, 160 km at 10.15 am, 11.15 am respectively. Find the average speed of the bus during 10.15 – 11.15 am.
