What is a machines ability to convert input work to output work called

[ou.01jthe greatest speed with which any physical object moves is 300,000 km/soundsec. which of the following has a speed of 300,000 km/sec? a.light in water b.light in vacuum c.sound in air. d. sound in water

Many somalian refugees sought entrance to the united states in 2006 and 2007. describe factors that encoura somalians to leave their country in the 1990s and 2000s

Qual é a diferença entre a pecuária transumante e a pecuária nômade? o que impulsiona cada uma delas?