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Chrome File Edit View History Bookmarks people Secure https //session h05 HW Part2 Problem 5.52 9 97% new- Mon 632 pM a temview assignmentProblemD 785960168offset-next Problem 5.52 Part A Can you tell from the coeflicient of resilution whether a collision has added kinetic energy to a systom, taken some away, or let the system's kinetic enegy No. It the coefficient of neatution is equal to one, then the initial and Snal kinetic energies are Yes. if the coefficient of netitution is greater than one, energy has been coefficient of neiution is equal to one, ren the intial and final kinetic enengies ane identical O No. I the coeflicient of restilution is diforent from one, energy has been changed into kineic energy can be said abot the energy than

Explanation / Answer

For a perfectly elastic collision, coefficeint of restitution (e=1), both momentum and Kinetic energy is conserved. This means initial and final kinetic energies are equal.

For a perfectly In-elastic collision, coefficeint of restitution (e=0), only momentum is conserved. Loss in Kinetic energy is observed. Thie loss in energy can be appears heat energy or light energy or sound energy etc.

If the coefficeint of restitution  (e>1),represents energy is released which means energy changes into kinetic energy.

Therefore, final answer is..........................

Yes,if (e>1) energy changes into kinetic energy. if (e<1) kinetic energy changes into other forms of energy and (e=0) initial and final kinetic energies are equal.

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