Questions
The position x of a particle with respect to time t along X-axis is given by
where x is in metre and t in second. What will be the position of this particle when it achieves maximum speed along the + X direction?
detailed solution
Correct option is B
x=9t2-t3v=dxdt=18t-3t2a=dvdt=18-6tWhen a=0, v=maximum 18=6t t=3secx=9×32-33=81-27=54mSimilar Questions
A physical quantity A is related to four observable a, b, c and d as . The percentage errors of measurement in a, b, c and d are 1 %, 3 %, 2 % and 2 % respectively. What is the percentage error in the quantity A ?
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