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Fig. 2.42 given below shows a velocity-t...

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.

(i) State how is the distance travelled in any part determined from this graph.
(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.

Text Solution

Verified by Experts

(i) By finding the area enclosed by the graph in that part with the time axis (ii) 2:1
(iii) (a) BC (b) AB (c) CD (iv) (a) lower, as slope of line AB is less than that of the line CD, (b) 1:2.
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