A184-m wide river flows with a uniform speed of 3.6 m/s toward the east. it takes 8 minutes for a boat to cross the river to a point directly north of its departure point on the south bank. what is the speed of the boat relative to the water?

To do work, this truck uses energy stored in chemical fuel and an electrical battery. how much total energy does this truck put out?

Two polarizers are oriented at 24.0∘ to one another. light polarized at a 12.0-degree angle to each polarizer passes through both. what is the transmitted intensity (%)?

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.