A41.0 kg child is riding a playground merry-go-round that is rotating at 60.0 rev/min. what centripetal force (in n) is exerted if he is 1.25 m from its center? (enter the magnitude.)a-wood-floor-with-coeffi cient-of-static-friction-0/

The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force

What is the measurement of how fast an object moves relative to a reference point?

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.