A force of 40.0N is applied in the positive x-direction to a block of mass 7.15 kg, at rest on a frictionless surface. HINT (a) What is the block's acceleration (in m/s2)? (Indicate the direction with the sign of your answer.) m/s2 (b) How fast is it going (in m/s) after 5.50 s? m/s

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Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: