Project #5043 - Physics

I am able to pay 50 cents a question. It is easy physics.
 
 
 
A block of mass m = 0.57 kg is attached to a spring with force constant 116 N/m is free to move on a frictionless, horizontal surface as in the figure below. The block is released from rest after the spring is stretched a distance A = 0.13 m. (Indicate the direction with the sign of your answer. Assume that the positive direction is to the right.)
(a) At that instant, find the force on the block.
 N

(b) At that instant, find its acceleration.
 m/s2
  

Subject Science
Due By (Pacific Time) 04/29/2013 11:59 pm
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