Muscle up what name is given to the rate at which work is done what are the units of this ratecan a pulley, winch, or lever increase the rate at which a person can do work? pay careful attention to the wording of this question, and explain your answer.

An object has a weight of 500 on earth what is the mass of this object

What tightening torque should be used for a hexagonal head screw (not split-bolt) on a 250 kcmil conductor?

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final