A62.0 kg curler runs into a stationary 78.1 kg curler and they hold on to each other. together they move away at 1.29 m/s, west. what was the original velocity of the 62.0 kg curler?

How many dots must be added to the symbol to properly represent a standard nitrogen ion? a) 1 b) 3 c) 5 d) 8

Pls pls pls pls ! describe, in your own words, how you found the epicenter of the earthquake.

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