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प्रश्न
Draw the following graph:
Speed versus time for a non-uniform acceleration.
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उत्तर
speed time graph for a non uniform acceleration.
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संबंधित प्रश्न
The speed-time graph of an ascending passenger lift is given alongside. What is the acceleration of the lift:
(1) during the first two seconds ?
(2) between second and tenth second ?
(3) during the last two seconds ?
Draw a velocity-time graph for the free fall of a body under gravity starting from rest. Take g = 10m s-2
What does the area of an acceleration – time graph represent?
Diagram shows a velocity – time graph for a car starting from rest. The graph has three sections AB, BC and CD.
Compare the distance travelled in section BC with the distance travelled in section AB.
A train starting from rest picks up a speed of 20 ms−1 in 200 s. It continues to move at the same rate for the next 500 s and is then brought to rest in another 100 s.
- Plot a speed-time graph.
- From graph calculate
(a) uniform rate of acceleration
(b) uniform rate of retardation
(c) total distance covered before stopping
(d) average speed.
Draw the following graph:
Speed versus time for a stepped motion
Given below are the speed -time graphs. Match them with their corresponding motions :
 |
(a) Uniformity retared motion |
 |
(b) Non-uniformity acceleration |
 |
(c) Non-uniform motion |
 |
(d) uniform motion |
What can you say about the nature of motion of a body of its displacement-time graph is:
A straight line inclined to the time axis with an acute angle?
Derive the equation
S = ut+ `1/2` at2
Using a speed- time graph
If the velocity-time graph has the shape AMB, what would be the shape of the corresponding acceleration-time graph?
