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प्रश्न
What are the uses of equations of motion?
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उत्तर
Four variables are present in each equation of motion and if any of three is known to us then fourth can be easily find with the help of these equation of motion.
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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?
In addition to speed, what else should we know to predict the position of a moving body ?
A tortoise moves a distance of 100 metres in 15 minutes. What is the average speed of tortoise in km/h ?
A car is moving along a straight road at a steady speed. It travels 150 m in 5 seconds:
What is its average speed ?
Express 15 m s-1 in km h-1.
A car is moving with a velocity 20 m s-1. The brakes are applied to retard it at a rate of 2 m s-2. What will be the velocity after 5 s of applying the brakes?
Figure shows the displacement of a body at different times .
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Write down the type of motion of a body along with the A – O – B of the following distance – time graph.
Give two examples of uniform circular motion from your daily life.
Distinguish between speed and velocity.
