Question

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Answer 1

Given m = 2 kg

f = 4 N

a = 4/2 = 2 ms^-2

a) v = u +at

t =4 s

u = 0 m s^-1

v = 0 + 2(4)

v = 8 ms^-1

b) s = ut + 1/2 at^2; t = 10 s

s = 0 + 1/2 2 10^2

s = 100m