Advertisements
Advertisements
प्रश्न
The graph shows how the velocity of a scooter varies with time in 50 s.
Work out: The distance traveled in 10 s, 20 s, and 50 s.
Advertisements
उत्तर
The distance travelled in 10 sec is S1 = `1/2`x20 x10 = 100 m
Distance travelled in 10s to 30s is s2 = 20 x (30 - 10) = 20 x 20 = 400 m Distance travelled in 30 s to 5os is S3 = `1/2` x20 x(50 - 30) = 200m.
Total distance covered by scooter is = 100 m + 400m + 200m =700m.
APPEARS IN
संबंधित प्रश्न
Can displacement-time sketch be parallel to the displacement axis? Give a reason to your answer.
Figure ahead represents the displacement - time sketch of motion of two cars A and B . Find :
(i) the distance by which the car B was initially ahead of car A.
(ii) the velocities of car A and car B.
(iii) the time in which car A catches car B.
(iv) the distance from start when the car A will catch the car B.
Define Displacement.
Write two differences between distance and displacement.
Is distance covered during nth second more than the distance covered in n seconds?
Name the physical quantity associated with the rate of change of displacement with time.
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 moving with uniform velocity?
A particle is moving in a circular path of radius r. The displacement after half a circle would be
Give one example where the displacement is zero but the distance travelled is not zero.
The displacement covered by the second hand of radius V in a clock after one revolution is ______.
