Why does a car that runs 120 km/h is faster than one that runs 120miles/h

Current enters a circuit at a: 1.positive terminal 2.negative terminal 3.low potential side 4.resistor

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

What causes the development of most clouds and precipitation in the atmosphere?