Which direction is the force of friction? a. the same direction of the movement b. the opposite direction of the movement c. 90 degrees from the direction of movement

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

Because light travels in a straight line and casts a shadow, isaac newton hypothesized that light is

The charge on a charged sphere is: a)concentrated at its centerb)distributed uniformly throughout its volumec)clustered on its centerd)distributed uniformly over its surface