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The displacement of a particle is given as function of time as x = t^2 + 2t. How much displacement is covered in the first 5 seconds?(a) 5 units(b) 35 units(c) 40 units(d) 0 unitsI had been asked this question in an internship interview.This intriguing question comes from Straight Line Motion in division Motion in a Straight Line of Physics – Class 11

Answer»

The correct option is (b) 35 units

Explanation: The displacement covered in the first five seconds can be obtained by putting t = 5 in the EQUATION. Therefore, X = 5^5 + 2(5) = 25 + 10 = 35. Hence the answer is 35 units.



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