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प्रश्न
Name the physical quantity which gives us an idea of how slow or fast a body is moving.
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उत्तर
Speed gives an idea of how slow or fast a body is moving.
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संबंधित प्रश्न
What does the odometer of an automobile measure?
What do the following measure in a car ?
(a) Speedometer (b) Odometer
The tip of seconds’ hand of a dock takes 60 seconds to move once on the circular dial of the clock. If the radius of the dial of the clock be 10.5 cm, calculate the speed of the tip of the seconds’ hand of the clock. `("Given" π= 22/7)`.
Which of the following can sometimes be 'zero' for a moving body?
(i) average velocity
(ii) distance travelled
(iii) average speed
(iv) displacement
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Express the following in m s−1.
1 km h−1
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A train is moving with a velocity of 90 km h-1 . It is brought to stop by applying the brakes which produce a retardation of 0.5 ms-2 Find :
(i) The velocity after 10 s , and
(ii) the time taken by the train to come to rest .
Define uniform velocity and give one example.
Write down the type of motion of a body along with the A – O – B of the following distance – time graph.
