1. Why don't conservation principles apply to open systems? 4 points
Matter is able to move freely in and out of the system and conservation cannot be
applied because of this
Matter is not able to move freely in and out of the system and conservation cannot be
applied
External work can be done on the system that was not originally in the system
A and C

Aray of light traveling parallel to the principal axis of a concave mirror will be reflected through the mirror's

To do work, this truck uses energy stored in chemical fuel and an electrical battery. how much total energy does this truck put out?

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