A point moves in a straight line so that its displacement is x m at time t sec, given by…
Physics · JEE Main · NTA Exams — Kinematics
A point moves in a straight line so that its displacement is x m at time t sec, given by x2 = t2 + 1. Its acceleration in m/s2 at time t sec is :
- \(\frac{1}{x}\)
- \(\frac{1}{x}-\frac{1}{x^{2}}\)
- \(-\frac{t}{x^{2}}\)
- \(\frac{1}{x^{3}}\)
Answer
(D) 1 x^ 3
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