At one instant a system has 30j of kinetic energy and 30j
At one instant, a system has 30J of kinetic energy and 30J of potential energy. Later it has no kinetic energy and 40 J of potential energy. How much work was done
(a) by conservative forces, and
(b) by non conservative forces?
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At one instant, a system has 30J of kinetic energy and 30J of potential energy. How much work was done by conservative forces
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