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प्रश्न
In addition to speed, what else should we know to predict the position of a moving body ?
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उत्तर
Besides speed, we should know the direction to predict the position of a moving body.
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संबंधित प्रश्न
Joseph jogs from one end A to the other end B of a straight 300 m road in 2 minutes 30 seconds and then turns around and jogs 100 m back to point C in another 1 minute. What are Joseph’s average speeds and velocities in jogging?
- from A to B and
- from A to C?
Name the physical quantity obtained by dividing ‘Distance travelled’ by ‘Time taken’ to travel that distance.
Fill in the following blank with suitable word:
The physical quantity which gives both, the speed and direction of motion of a body is called its……………
A train starting from Railway Station attains a speed of 21 m/s in one minute. Find its acceleration.
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Which of the following could not be a unit of speed?
Define average velocity and give one example.
Define uniform velocity and give one example.
How many variables are present in each equation of motion?
A motorcyclist drives from A to B with a uniform speed of 30 km h–1 and returns back with a speed of 20 km h–1. Find its average speed.
