four billard balls .each of mass 0.5kg are all are travling in the same direction on a billiard table ,with speed of 2m/s ,4m/s .8m/s and 10 m/s .what is the linear momentum of this system

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?

Select all the correct answers. which three statements about electromagnetic radiation are true?

The friction of the water on a boat produces an acceleration of -10. m/s2. if the boat is traveling at 30. m/s and the motor is shut off, how long it take the boat to slow down to 5.0 m/s?