Advertisements
Advertisements
Question
How is the distance related with time for motion under uniform acceleration such as the motion of a freely falling body?
Advertisements
Solution
For motion under uniform acceleration, such as the motion of a freely falling body, distance is directly proportion to the square of the time.
APPEARS IN
RELATED QUESTIONS
A farmer moves along the boundary of a square field of side 10 m in 40 s. What will be the magnitude of displacement of the farmer at the end of 2 minutes 20 seconds?
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 ?
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?
A bird sitting on a wire, flies, circles around and comes back to its perch. Explain the total distance it traversed during its flight and its eventual displacement.
Draw displacement – time graph for the following situation:
When a body is moving with variable velocity.
Write the SI units for measurement of distance and displacement.
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?
______ is the length of the actual path covered by a body.
Slope of a velocity-time graph gives
If the displacement-time graph of a particle is parallel to the time axis, the velocity of the particle is ______.
