If a mango fruit dropped at a height of 50 meters. How long does it reach the ground? (take g = 10m/s2)

  • A 2 sec
  • B 3 sec
  • C 4sec
  • D 3.2sec
jamb 2015physics

The correct answer is D. 3.2sec

From S = ut + ½gt2

u = 0ms-1

50 = (0 × t) + ½(10)(t2)

50 = 5.0t2

t2 =50/5

t = √10

t = 3.2sec

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