a tram inside the gateway arch saint louis, missouri lifts the visitors to a window-lined observation room 192 meters above the ground. how much work does the tram's motor do against gravity to carry two 55-kilogram passengers to this room?(you may ignore the work done by the motor to carry the tram itself)​

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

Convection occurs when thermal energy is transferred by the movement of

An insulated thermos contains 148 g of water at 72.7 ˚c. you put in a 11.7 g ice cube at 0.00 ˚c to form a system of ice + original water. the specific heat of liquid water is 4190 j/kg•k; and the heat of fusion of water is 333 kj/kg. what is the net entropy change of the system from then until the system reaches the final (equilibrium) temperature?