PLEASE HELP, WILL MARK BRAINLIEST (real answers only please) A 1.5 kg brick is sliding along a rough horizontal surface at 13 m/s. If the brick stops in 4.8 s, how much mechanical energy is lost?

127 J
140 J
135 J
117 J

Aspring has a natural length of 8 m. if a 12-n force is required to keep it stretched to a length of 10 m, how much work w is required to stretch it from 8 m to 16 m? (round your answer to two decimal places.)

Ways that industry and agriculture use physical properties to separate substances

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.