Answer:
1.96m/s^2
Step-by-step explanation:
According to Newtons second law;
F = ma
a = F/m
a = nR/m
a = nmg/m
a = ng
n is he coefficient of friction = 0.2
g = 9.8m/s^2
a = 0.2 * 9.8
a = 1.96m/s^2
Hence the acceleration of the box is 1.96m/s^2
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