Advertisements
Advertisements
प्रश्न
Define uniform velocity and give one example.
Advertisements
उत्तर
When a body covers equal distances in equal intervals of time (however small may be the time interval) in a specified direction, the body is laid to be moving with uniform velocity.
Example: A car moving on a straight road with constant speed has uniform velocity.
APPEARS IN
संबंधित प्रश्न
Arrange the following speed in increasing order (keeping the least speed first):
An athlete running with a speed of 10 m/s.
A car is moving along a straight road at a steady speed. It travels 150 m in 5 seconds:
How long does it take to travel 240 m ?
A ball hits a wall horizontally at 6.0 m s-1. It rebounds horizontally at 4.4 m s-1. The ball is in contact with the wall for 0.040 s. What is the acceleration of the ball ?
The speed of a moving object is determined to be 0.06 m/s. This speed is equal to :
When is a body said to be in motion?
Draw the shape of the velocity-time graph for a body moving with (a) Uniform velocity and (b) Uniform acceleration.
Figure shows the displacement of a body at different times .
Calculate the average velocity during the time interval 5 s to 9 s ,
[Hint : From 5 s to 9 s , displacement = 7 m - 3m = 4m]
From the displacement-time graph of a cyclist given below in the Figure, find The average velocity in the first 4 s.
Define variable velocity and give one example.
Derive th e equation of motion.
S = ut+ `1/2` at2,
Where the symbols have their usual meanings
