The distance-time curve of a moving motor-car is according to the following figure-1.101. The portion OA of the curve shows:

In the above figure, the portion AB of the curve shows:

In the above figure, the portion BC of the curve shows:

In the above question, the acceleration in the portion OA of the curve will be :

In the following figure, four curves A,B, C and D are shown. The curves are

A particle shows distance-time curve as given in this figure. The maximum instantaneous velocity of the particle is around the point. . (a) B (b) C (c) D (d) A

The total magnetic induction at point O due to curved portion and straight portion in the following figure, will be

The total magnetic induction at point O due to curve portion and straight portion in the following figure, will be-