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प्रश्न
Draw velocity-time graph to show:
Acceleration
Write a sentence to explain the shape of graph.
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उत्तर
Acceleration is represented by a line on a velocity time graph with a positive slope with time axis.
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संबंधित प्रश्न
What can you say about the motion of a body if:
its velocity-time graph is a straight line ?
A body is moving uniformly in a straight line with a velocity of 5 m/s. Find graphically the distance covered by it in 5 seconds.
What does the slope of velocity-time graph represent?
What does the area of an acceleration – time graph represent?
Draw velocity – time graph for the following situation:
When a body is moving with variable velocity, but uniform acceleration.
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.
Diagram is given below shows velocity – time graph of car P and Q, starting from the same place and in the same direction. Calculate at what time intervals both cars have the same velocity?
Draw distance-time graph to show:
Uniform velocity
Interpret the following graph:
The slope of the speed–time graph gives ______.
