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प्रश्न
Define speed of a body.
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उत्तर
Speed of a body can be defined as distance covered by the body in unit time.
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संबंधित प्रश्न
Arrange the following speed in increasing order (keeping the least speed first):
A bicycle moving with a speed of 200 m/min.
A snail covers a distance of 100 metres in 50 hours. Calculate the average speed of snail in km/h.
A motorcyclist drives from place A to B with a uniform speed of 30 km h-1 and returns from place B to A with a uniform speed of 20 km h-1. Find his average speed.
Give one example of following motion :
Uniform velocity
A car travels the first 30 km with a uniform speed of 60 km h−1 and the next 30 km with a uniform speed of 40 km h−1. Calculate :
- The total time of journey,
- The average speed of the car.
A car moving on a straight path covers a distance of 1 km due east in 100 s. What is velocity of the car?
Define average velocity and give one example.
Define uniform velocity and give one example.
Derive th e equation of motion.
S = ut+ `1/2` at2,
Where the symbols have their usual meanings
