I need help with this Physics problem. please help.?

Posted on 2014-11-20 06:50:00 in Physics by MICHEL

An object of mass m = 4 kg is initially moving forward when a net force F = 28 N acts on the object in the forward direction. While the force is applied, the object travels a distance x = 8 meters in a time t = 9 seconds.

(a) What is the acceleration of the object while the force is applied?

(b) How much does the object's kinetic energy increase?

(c) How much does the object's momentum increase?

(d) How much does the object's speed increase?

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