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प्रश्न
The velocity-time graph for part of a train journey is a horizontal straight line. What does this tell you about the trains velocity.
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उत्तर
The train has a uniform velocity. This is because neither speed nor the direction of moving object is changing.
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संबंधित प्रश्न
What type of motion is represented by the following graph ?
Diagram shows a velocity – time graph for a car starting from rest. The graph has three sections AB, BC and CD.
From a study of this graph, state how the distance travelled in any section is determined.
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.
Interpret the following graph:
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?
Draw distance-time graph to show:
Decreasing velocity
Draw velocity-time graph to show:
Deceleration
Write a sentence to explain the shape of graph.
What does the slope of velocity-time graph represent?
The slope of the speed–time graph gives ______.
