Acyclist leaves home and rides due east for a distance of 45 km. she returns home on the same bike path. if the entire trip takes 4 hrs, what is her average speed? what is her displacement ?

An air-standard stirling cycle operates with a maximum pressure of 600 psia and a minimum pressure of 10 psia. the maximum volume of the air is 10 times the minimum volume. the temperature during the heat rejection process is 100°f. calculate the specific heat added to and rejected by this cycle, as well as the net specific work produced by the cycle. use constant specific heats at room temperature. the properties of air at room temperature are r

You win the lottery and decide to impress your friends by exhibiting a million-dollar cube of gold. at the time, gold is selling for $ 426.60 per troy ounce, and 1.0000 troy ounce equals 31.1035 g. -how tall would your million-dollar cube be? en cm

An isotope undergoes radioactive decay by emitting radiation that has a –1 charge. what other characteristic does the radiation have?