Look at the speed-time graph of a car given below and answer the question :
Which part of the graph shows zero acceleration?

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Solution

Slop of the speed-time graph gives the acceleration.
In part CD of speed-time graph slop is zero because it is a straight line parallel to the time axis.
So we can say acceleration is also zero for the part CD.

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Fig. 2.42 given below shows a velocity-time graph for a car starting from rest.The graph has three parts AB,BC and CD.

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(ii) Compare the distance travelled in part BC with the distance travelled in part AB.

(iii) Which part of graph -shows motion with uniform (a) velocity (b) acceleration (c) retardation ?

(iv) (a) Is the magnitude of acceleration higher or lower than that of retardation ? Give a reason.(b) Compare the magnitude of acceleration and retardation.

The graph given alongside shows how the speed of a car moving in a straight line changes with time:

(i) What is the initial speed of the car?
(ii) What is the maximum speed attained by the car?
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(iv) Which part of the graph shows varying retardation?
[5 Marks]

Speed (in km/h) —_ = DN W W N LN O L O O L O S 1 2 3 4 5 6 7 8 Time (in hours) —» 9 10

Look at the speed-time graph of a car given below and answer the question :

What type of motion is represented by AB?

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Q. Figure below shows a velocity-time graph for a car starting from rest. The graph has three parts AB, BC and CD. Which part of graph shows motion with uniform
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Look at the speed-time graph of a car given below and answer the question :Which part of the graph shows zero acceleration?

Slop of the speed-time graph gives the acceleration.In part CD of speed-time graph slop is zero because it is a straight line parallel to the time axis. So we can say acceleration is also zero for the part CD.

Look at the speed-time graph of a car given below and answer the question :
Which part of the graph shows zero acceleration?

Slop of the speed-time graph gives the acceleration.
In part CD of speed-time graph slop is zero because it is a straight line parallel to the time axis.
So we can say acceleration is also zero for the part CD.