A constant force acts on a body of mass 5kgfor a duration of 2s. It increases the object's velocity from 3m/s to 7m/s . Find the magnitude of the force that was applied for a duration of 5s, what would be the final velocity of the object?
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Solution
Let the Force be F mass = 5 kg time(t) = 2 s initial velocity(u) = 3 m/s final velocity(v) = 7 m/s so let the acceleration be a so a = (v - u)/t = (7 - 3)/2 = 2 m/s²