Advertisements
Advertisements
Question
Figure shows the displacement-time graph of two vehicles A and B moving along a straight road. Which vehicle is moving faster? Give reason.

Advertisements
Solution
Vehicle A is moving with a faster speed because the slope of line A is more than the slope of line B.
APPEARS IN
RELATED QUESTIONS
Define displacement. State its unit.
The following table gives the displacement of a car at different instants of time.
| Time (s) | 0 | 1 | 2 | 3 | 4 |
| Displacement (m) | 0 | 5 | 10 | 15 | 20 |
- Draw the displacement-time sketch and find the average velocity of the car.
- What will be the displacement of the car at (i) 2.5 s and (ii) 4.5 s?
Figure shows the velocity-time graph of a particle moving in a straight line.

(i) State the nature of motion of particle.
(ii) Find the displacement of particle at t = 6 s.
(iii) Does the particle change its direction of motion?
(iv) Compare the distance travelled by the particle from 0 to 4 s and from 4 s to 6 s.
(v) Find the acceleration from 0 to 4 s and retardation from 4 s to 6 s.
Explain the following concept in your own words with everyday examples:
Distance
A car covers 90 km in `1 1/2` hours towards east. Calculate
- displacement of car,
- its velocity in (a) kmh−1 (b) ms−1.
Calculate the distance and displacement in the following case:
A body is moving along a circular path of radius r. What will be the distance and displacement of the body when it completes:
Full revolution
A satellite makes a complete round along its circular orbit. What is its displacement?
Slope of a velocity-time graph gives
An object is dropped from rest at a height of 150 m and simultaneously another object is dropped from rest at a height of 100 m. What is the difference in their heights after 2s if both the objects drop with the same accelerations? How does the difference in heights vary with time?
