Under action of force, a 2 kg body moves such that its position x as function of time t is given by x=\alpha\,t^2{/}2 where x is in meters, t is in seconds and α= 1 m/\s^2. The work done by the force in the first two seconds is

TS EAMCET 11-Sep-2020 Shift 2 Solved Paper

Section: Physics

Question : 90 of 160

Marks: +1, -0

Under action of force, a 2 kg body moves such that its position x as function of time t is given by x=α‌t2/2 where x is in meters, t is in seconds and α= 1 m/s2. The work done by the force in the first two seconds is

4 J
16 J
40 J
2 J

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