Advertisements
Advertisements
प्रश्न
Under which condition is the magnitude of average velocity equal to average speed ?
Advertisements
उत्तर
The magnitude of average velocity is equal to average speed when an object covers equal distances in equal intervals of time in a particular direction.
APPEARS IN
संबंधित प्रश्न
What does the path of an object look like when it is in uniform motion?
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?
State whether speed is a scalar or a vector quantity. Give reason for your choice.
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:
When is a body said to be in motion?
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.

What are the uses of equations of motion?
Give two examples of uniform circular motion from your daily life.
Which of the following figures (Fig. 8.3) represents uniform motion of a moving object correctly?
