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प्रश्न
Give one example of following motion :
Uniform velocity
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उत्तर
Example of uniform velocity : A body, once started, moves on a frictionless surface with uniform velocity.
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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.
Under which condition is the magnitude of average velocity equal to average speed ?
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.
A bus moving along a straight line at 20 m/s undergoes an acceleration of 4 m/s2. After 2 seconds, its speed will be:
The diagram below shows the pattern of the oil on the road at a constant rate from a moving car. What information do you get from it about the motion of the car.
Express the following in m s-1.
18 km min-1
A train takes 2 h to reach station B from station A, and then 3 h to return from station B to station A. The distance between the two stations is 200 km. Find:
The average speed,
The average velocity of the train.
A car moving on a straight path covers a distance of 1 km due east in 100 s. What is the speed of the car?
The velocity-time graph of a moving body is given below in Figure
Displacement in each part AB, BC and CD.
