Dos bolas de boliche tienen una masa de 6.8kg. Están juntas a una distancia de 21.8cm entre sus centros. ¿Qué fuerza gravitacional ejerce cada una sobre la otra?

What is work? how much work is done to move an object 0 meters?

When applying kirchhoff's rules, one of the essential steps is to mark each resistor with plus and minus signs to label how the electric potential changes from one end of the resistor to the other. the circuit in the drawing contains four resistors, each marked with the associated plus and minus signs. however, one resistor is marked incorrectly. which one is it?

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