Q.

Let us call a motion, A when velocity is positive and increasing, A-1 , when velocity is negative and increasing. R when velocity is positive and decreasing and R-1 when velocity is negative and decreasing. Now, match the following two columns for the given s-t graph and mark the correct option from the codes given below.Codes      A   B   C   D

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a

p  r  q  s

b

r  s  p  q

c

s  p  r  q

d

q  p  s  r

answer is B.

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Detailed Solution

For M, slope of s-t graph is positive and increasing. Therefore, velocity of the particle is positive and increasing.Hence, it is A type motion. Similarly, N, P and Q can be observed from the slope.Hence,  A→r,  B→s,  C→p,  D→q.
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