Advertisements
Advertisements
प्रश्न
The table below shows the distance travelled by two vehicles A and B during each second:
| Time (s) | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| Distance travelled by A (m) | 0 | 20 | 80 | 180 | 240 | 300 | 360 | 420 |
| Distance travelled by B (m) | 0 | 10 | 40 | 90 | 160 | 250 | 360 | 490 |
Which vehicle is ahead at the end of 7th second and by how much?
Advertisements
उत्तर
Vehicle B is ahead at the end of 7th sec and by 70 m.
APPEARS IN
संबंधित प्रश्न
A body travels a distance of 3 km towards East, then 4 km towards North and finally 9 km towards East.
What is the resultant displacement ?
A boy walks from his classroom to the bookshop along a straight corridor towards North. He covers a distance of 20 m in 25 seconds to reach the bookshop. After buying a book, he travels the same distance in the same time to reach back in the classroom. Find (a) average speed, and (b) average velocity, of the boy.
When is the magnitude of displacement equal to the distance?
A body at rest is made to fall from the top of a tower. Its displacement at different instants is given in the following table:
| Time (in s) | 0.1 | 0.2 | 0.3 | 0.4 | 0.5 | 0.6 |
| Displacement (in m) | 0.05 | 0.20 | 0.45 | 0.80 | 1.25 | 1.80 |
Draw a displacement-time graph and state whether the motion is uniform or non-uniform?
A racehorse runs straight towards the north and covers 540 m in one minute. Calculate
- displacement of the horse,
- its velocity in (a) ms−1 (b) kmh−1.
Show the difference between distance and displacement with the help of a diagram.
A body is moving along a circular path of radius r. What will be the distance and displacement of the body when it completes:
Half a revolution
A satellite makes a complete round along its circular orbit. What is its displacement?
Is displacement a scalar quantity?
The displacement covered by the second hand of radius V in a clock after one revolution is ______.
