An ideal engine may be thought of as a device operating in reversible cycles between two heat reservoirs, one at a higher temperature than the other. In each cycle, the engine takes a certain amount of heat from the higher temperature reservoir R1. A fraction of this energy is used by the engine to do work, while the rest of the energy is transferred to the lower temperature reservoir R2.
Which statement pertaining to entropy is true?
A) The entropy of the reservoir R1 increases.
B) The entropy of the reservoir R2 increases.
C) The entropy of the engine increases after each complete cycle.
D) The entropy of the engine decreases after each complete cycle.

When a neutral charge, comes into contact with a positive charge they repel each other nothing happens the neutral charge becomes negative they attract each other

Time remainin52: 42the chart shows data for a moving object.which conclusion is best supported by the information inthe chart? time (s)velocity (m/s

Alinearly polarized electromagnetic wave has an average intensity of 196 w/m^2. this wave is directed towards two ideal polarizers (in real polarizers, transmission is also effected by reflection and absorption). polarizer a is oriented with its transmission axis at an angle of θ_1=20.8∘ with the incident electric field. polarizer b has its axis at an angle of θ_2=63.0∘ with the incident electric field. what is the average intensity of the wave after it passes through polarizer a? what is the average intensity of the wave after it passes through polarizer b? suppose that the two polarizers a and b are interchanged. what would the average intensity be after passing through both polarizers?