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Physics17. Periodic MotionSpring Force (Hooke's Law)

Multiple Choice

You push a 3-kg mass against a spring and release it from rest. Its maximum acceleration is 10m/s<sup2></sup> when pushed back 0.5m. What is the (a)spring constant and (b) restoring force at this point?

A

60 N/m; 30 N

B

120 N/m; 45 N

C

100 N/m; 35 N

D

30 N/m; 15 N

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