Two identical billiard balls are rolling toward each other at the same speed. what will be true after they collide head–on?

Anne applies a force on a toy car and makes it move forward. what can be said about the forces acting on the toy car at the moment anne applies the force?

Determine el momento angular de un rueda de 3000g moviendose a 10m/s con un radio de giro de 400cm

Argon is adiabatically compressed from an initial volume of 16 liters to a final volume of 2 liters. by what factor do the following quantities change? do they increase or decrease? (a) the rms speed (b) the thermal energy of the gas (c) the molar specific heat cv (d) the pressure