A boat covered 5/9 of a journey at an average speed of 25 mph then it travels remaining 120 miles at another speed if the total time of the whole journey was 8 1/2 hours what was the amount of time the boat spent on the remaining 120 miles? (write as a decimal)

True or false: the cycle of seasons on the earth is caused by the tilt of the earth on its axis toward and away from the sun.

9.98 kg of r-134a at 300 kpa fills a rigid container whose volume is 14 l. determine the temperature and total enthalpy in the container. the container is now heated until the pressure is 600 kpa. determine the temperature and total enthalpy when the heating is completed. use data from the steam tables.

Which statement best describes the superposition principle? a.) if two in-phase waves arrive simultaneously at a point, their amplitudes add up b.) if two out-of-phase waves arrive simultaneously at a point, their amplitudes add up c.) if two in-phase waves arrive at a point one after another, their amplitudes add up d.) if two out-of-phase waves arrive at a point one after another, their amplitudes adds up