Answer to Question #132475 in Physics for David

Question #132475

A 900g stone is pushed along a tarmac by a horizontal force of 20N. A frictional force of 8N opposes the motion. What is the acceleration given to the stone?

Expert's answer

"F=ma\\to a=\\frac{F}{m}=\\frac{20-8}{0.9}=13.3(m\/s^2)"

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