Which is equal to the ideal mechanical advantage of a pulley system?

A. The number of rope segments supporting the load

B. The distance the load had to move

C. The length of the rope

D. The weight of the object being lifted

Blank liquids and gases exert a buoyant force on objects placed in them

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

Apatient has a history of poor nutrition. he has skin rashes, bleeding gums, and a cut that hasn’t healed in a long time. what vitamin deficiency most likely caused this symptom?