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प्रश्न
State how the velocity-time graph can be used to find The distance travelled by the body in a given time
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उत्तर
The total distance travelled by a body in a given time is given by the area enclosed between the velocity-time graph and X-axis (without any sign).
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संबंधित प्रश्न
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.
Write an expression for the distance S covered in time t by a body which is initially at rest and starts moving with a constant acceleration a.
A car travels a distance 100 m with constant acceleration and average velocity of 20 ms-1. The final velocity acquired by the car is 25 ms-1.
Find
(i) The initial velocity.
(ii) Acceleration of the car.
Define Displacement.
Can you suggest the kind of motion of a body from the following distance – time graph?
From the displacement – time graph shown given below calculate:
- Average velocity in the first three seconds.
- Displacement from the initial position at the end of 13 s.
- Time after which the body is at the initial position,
- Average velocity after 8 s.
A satellite makes a complete round along its circular orbit. What is its displacement?
A car travels at a uniform speed of 42 km/h. In 10 minutes, how much distance would it cover?
Is distance covered during nth second more than the distance covered in n seconds?
Exercise Problems.
An athlete completes one round of a circular track of diameter 200 m in 40 s. What will be the distance covered and the displacement at the end of 2 m and 20 s?
