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This is the x-t graph of the motion of a particle. Of the four points P Q, R, and S, the velocity v, is greatest (most positive) at A. point P B. point O.C. point R. D. point S E. Not enough information is given to decide.

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Answer #1

Here,

the velocity is greatest when the slope of the x-t graph shall be greatest and it should be positive

Q and S have zero slope.

while the slope at R is negative

NOw, P is the point of greatest velocity

hence , the velocity is greatest at A) point P

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