- A heat engine has a hot reservoir with a temperature 23 degrees * C and a cold reservoir with a temperature of 10 degrees * C . Find the maximum possible efficiency for such an engine. A 56.5 % B 0.565% C 4.4 % D 0.044 %

Which feature indicates that mars resides in the inner region of the solar system

How will the system respond to a temperature increase?

You throw a small rock straight up from the edge of a highway bridge that crosses a river. the rock passes you on its way down, 7.00 s after it was thrown. what is the speed of the rock just before it reaches the water 28.0 m below the point where the rock left your hand? ignore air resistance.