It is proposed to use a small waterfall to turn an electricity generator. 10m3 of water fall 50m per minute. Only one - fifth of its energy can be a tainted usefully. Show that the water can developed 16.7 kW​

Which of the following statements would be supported by both a communist and a utopian socialist? a) a government should restrict the number of imports and exports to protect its gold reserves b) governments have no right to restrict the actions of businesses or customers c) society will shift towards socialist ideals without the need for violent revolutions d) the gains of the industrial revolution should be shared by all members of society