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The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force
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Which fact supports the conclusion that there will be fewer farm managers in the future? a) a farmer manager’s duties vary by the type of farm. b) farm technology is replacing some administrative jobs c) farm managers often need experience but not education. d) administrative duties include budgeting and training staff.
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2
An object placed infront of a convex mirro
of radius 20cm produces an image wluch.
...
An object placed infront of a convex mirro
of radius 20cm produces an image wluch.
...
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