What would be the magnitude of a star with a temperature of 25,000 located on
the main sequence?

Agas expands from an initial volume of 0.040 m^3 and an initial pressure of 210 kpa to a final volume of 0.065 m^3 while its temperature is kept constant. how much work is done by the system?

What will a positive and a negative charge do if they are separated from each other?

A51 kg woman skis down a hill and her kinetic energy is 9.96e4 j. what is her speed?