cane Cornets » ,set 04 (10/10Tu1:59 PM) . neck and a spring A moving 4.70 kq blo

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cane Cornets » ,set 04 (10/10Tu1:59 PM) . neck and a spring A moving 4.70 kq block colides with a horizontal spring whose spring constant is 493 N/m. mpresses the spring a maximum distance of 8.50 cm from its rest position. The coefficient of kinetic friction between the block and the horizontal surface is o.350. What is the work done by the spring in bringing the block to rest? consider K+&u;=aE. what quantities in the problem correspond to each of the variables in the equation? stmt Asae Incorrect. Tries 3/12 Previous Trles How much mechanical nergy is being dissipated by the force of friction while the block is being brought to rest by thi spring? 1.37 You are correct. Your receipt no. is 160-2549 t ls the speed of the block when it hits the spring? You are correct. Your receipt no. is 160-7017Previous Tres 1.16 m/s View Chronological View hat is marked as NEW NEW Block and a spring Amanda Jo Lafay Reply (Wed Oct 4 02:58:33 pm 2017 (EOT)) the kinetic friction into the first questions equation. I also am having trouble determining the equation for the third question. m having trouble Does anyone have any ideas for me? Thanks NEW Re: Block and a spring Sydney Lauren Gable Reply (Thu Oct 5 09:06:18 pm 2017 (EDT)) the friction force in the second question. kinetic energy the third part of the question, you can find the total amount of work done using your answers to parts i and 2 which will be equai to the k of the block part of

Explanation / Answer

Because only first part is incorrect,I will answer only first part

Work done by spring in bringing the block to rest will be same as energy stored in spring due to compression

This is =(0.5*k*x2)=0.5*493*0.0852 = 1.78 Joules

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