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प्रश्न
Figure shows the velocity-time graphs for two objects A and B moving in same direction . Which object has the greater a cceleration?
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उत्तर
As acceleration is the slope of line in velocity time graph and as B has greater slope than line A.
So B has greater acceleration than A.
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संबंधित प्रश्न
Study the speed-time graph of a car given alongside and answer the following questions:
(i) What type of motion is represented by OA ?
(ii) What type of motion is represented by AB ?
(iii) What type of motion is represented by BC ?
(iv) What is the acceleration of car from O to A ?
(v)What is the acceleration of car from A to B ?
(vi) What is the retardation of car from B to C ?
Multiple choice Question. Select the correct option.
The distance covered in the adjoining velocity-time graph is :
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.
The area of the right triangle under a speed-time graph is 500 m, in a time interval of 20 s. What is the speed of the body? Is the motion uniform or non-uniform?
What can you say about the motion of a body if:
Its time-velocity graph is a straight line
Draw distance-time graph to show:
Decreasing velocity
Draw the distance-time graphs of the bodies P and Q starting from rest, moving with uniform speeds with P moving faster than Q.
The area of the velocity-time graph gives the displacement of the body.
The velocity-displacement graph describing the motion of a bicycle is shown in the figure.
The acceleration-displacement graph of the bicycle's motion is best described by:
