The girl climbs the ladder with the painting in 5 seconds. How much work does she perform? How much power does she use? *

Iwill give 30 points to whoever answers ! what is the formula for actual mechanical advantage and ideal mechanical advantage?

Where is the potential energy throughout the loading, cocking, and releasing of the trebuchet?

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.