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QUESTION:⤵️
Figure shows the displacement-time graph of a particle moving in a straight line. Find the signs of velocity and acceleration of particle at time t-t, and t-ty.
ANSWER:⤵️
Slope at t1 is positive and that of at t2 is negative. Slope at t1 is increasing and at t2 is decreasing, thus, the acceleration is positive at t1 and negative at t2.
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mann jao na ek baar pls fir ni tang karu gi
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