A stationary object of mass 4kg is set in motion by a net force of…

Physics WAEC 1996

A stationary object of mass 4kg is set in motion by a net force of 5ON. If the object attains is speed of 5ms-1 in time. Calculate the value of t.

  • 0.20s
  • 0.40s checkmark
  • 0.63s
  • 0.80s
  • 1.30s

The correct answer is: B

Explanation

F = ma = MV/t ∴ t = MV/F = 20/50 = 0.40s
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