A 3.8-mole sample of an ideal gas is gently heated at a constant temperature of 340 K. The gas expands to 2.3 times its initial volume. What is the change in the internal energy of the gas? Let the ideal-gas constant R=8.314 (mol x K)

An artificial satellite circles the earth in a circular orbit at a location where the acceleration due to gravity is 6.03 m/s^2. determine the orbital period of the satellite.

You are traveling in a car going at a constant speed of 100km/h down a long, straight highway. you pass another car going in the same direction which is traveling at a constant speed of 80km/h. as measured from your car's reference frame this other car is traveling at −20km/h. what is the acceleration of your car as measured from the other car's reference frame? what is the acceleration of the other car as measured from your car's reference frame?

In a series circuit the __ is the same at every point