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1.The x and y coordinate of a particle at any time t are given by x - 7t +4tand y are in metres and tis in seconds. The acceleration of particle at t - 5 second is(a) Zero(b) 8 m/s(c) 20 m/s(d) 40 m/s |
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Answer» 8 m/s2 is correct answer |
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