Amachine has an efficiency of 80%. how much work must be done on the machine so to make it do 50,000 j of output work?

Which boundary is associated with the building of the himalaya mountains? convergent transform divergent hot spot

What makes thermal imaging cameras useful? they can detect differences in color. they can detect differences in wave speeds. they can detect differences in temperature. they can detect mechanical waves.

He viscosities of several liquids are being compared. all the liquids are poured down a slope with equal path lengths. the liquid with the highest viscosity will