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| 1. |
Is itpossibleif workis doneby theinternalforce, whatwillbe thechangein kineticenergy ? |
| Answer» SOLUTION :YES . Thispossibleif WORKIS donebythe internalforcesthenkineticenergywillbeincreased.As ANEXAMPLE, whena bombexplodes, thecombinedkineticemergy of ALLTHE fragmentsis greaterthanthe initial energy. | |