A 0.250-kg block resting on a frictionless, horizontal surface is attached to a

Question

A 0.250-kg block resting on a frictionless, horizontal surface is attached to a spring having force constant 83.8 N/m as in Figure P13.16. A horizontal force F rightarrow causes the spring to stretch a distance of 5.46 cm from its equilibrium position. (a) Find the value ol F.(b)What is the total energy stored in the system when the spring is stretched? (c) Find the magnitude of the acceleration of the block immediately after the applied force is removed. (d) Find the speed ol the block when ii first readies the equilibrium position, (e) If the surface is not frictionless but the block still reaches the equilibrium position, how would your answer to pan change? ()f What other information would you need to know to find the actual answer to part (d) in this case?

Explanation / Answer

http://i.imgur.com/MrcgH.jpg see the pic in the link for your answer

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