InterviewSolution
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InterviewSolution
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19. A body starts from rest and moves with uniform acceleration "a" ms. It moves a distance of x, mer in the first t seconds and distance of x, metres in the next t seconds. The distance x,-x, is 12 1) 1/2 at- 2) at 3) 3/2 at 4) 2 at |
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Answer» rOpen in answr app(a) Invelocity of the truck, u = 0Acceleration, a = 2 m/s2Time, t = 10 sAs per the first equation of MOTION, final VELOCITY is given as:v = u + at= 0 + 2 x 10 = 20 m/sThe final velocity of the truck and HENCE, of the STONE is 20 m/s.At t = 11 s, the horizontal component (vx) of velocity, in the absence of AIR resistance, remains unchanged,so the option is1)1/2 |
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