Si un trineo de masa=1g sale de A con una velocidad nula a) ¿qué velocidad tendrá en B?
b) ¿con qué velocidad ha de salir de A para llegar a C con v = 1 m/s?

Asystem containing an ideal gas at a constant pressure of 1.22×10^5 pa gains 2140 j of heat. during the process, the internal energy of the system increases by 2320 j. what is the change in volume of the gas?

How do the kidneys affect homeostasis

A0.750 kg aluminum pan is removed from the stove and plunged into a sink filled with 10.0 kg of water at 293 k. the water temperature quickly rises to 297 k. what was the initial temperature of the aluminum pan? the specific heat of aluminum is ca = 900 j/(kgk) and water is cw = 4190 j/(kgk)