WHo ever is genious solve this (challenge for you)

WHo ever is genious solve this (challenge for you) W tnch part ot 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. Ans. (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 10. The velocity—tirne graph of a moving body is given below in Fig. 2.43. t 40 30 20 TIME (S) Find : (i) the acceleration in parts AB, BC and CD. At t along pan (ii) displacement in each part AB, BC, CD, and (iii) total displacement.

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