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PHSC112_CH12

# PHSC112_CH12 - interval and the object moves parallel to...

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Ch12. The Great Conservation Laws A change in momentum: If a net force is applied to any object over some time interval , the object’s momentum will change. F ∆t = ∆(mv) = a change in the vector momentum of the object 1 . Conservation of Momentum: In an isolated system as time passes, total momentum is a constant vector. 2 . Conservation of Energy: In an isolated system as time passes, total energy has a constant magnitude. A change in Energy: If a force is applied to an object over some distance
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Unformatted text preview: interval and the object moves parallel to the direction of the force, the object’s energy will change. F ∆d // = ∆(energy) = a change in the total energy of the object = “Work” : a process by which E can be transferred Kinetic Energy = (½)mv 2 [Joule] A moving object has at least momentum and kinetic energy . A moving object has the capacity to exert a force on another object. In doing so, a moving object has the “capacity” to create change within the system....
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