You are trying to decide which of two automobiles to buy. the first is american-made, costs $3.0500 x 104, and travels 22.0 miles/gallon of fuel. the second is european-made, costs $4.9100 x 104, and travels 17.0 km/liter of fuel. if fuel costs $2.50/gallon, and other maintenance costs for the two vehicles are identical, how many miles must each vehicle travel in its lifetime for the total costs (puchase cost fuel cost) to be equivalent?

unlike the threaded fasteners which are used to clamp the machine members, power screws are used to transmit power. common applications of power screws are: screw jacks: to lift weight. lead screw of lathe: for axial movement of tool and its precise positioning.

answer:

science is the study of the nature and behavior of natural things and the knowledge that we obtain about them. a science is a particular branch of science such as physics, chemistry, or biology. physics is the best example of a science which has developed strong, abstract theories.

pseudoscience is a collection of beliefs or practices mistakenly regarded as being based on scientific method.

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