A0.145 kg mass of tungsten at 130.0c is placed in a 0. 502 kg of water at 22.0c the the mixture reaches equilibrium at 28.6c calculate the specific heat of tungsten (specific heat of water = 4180 j/kg c). formula maca∆tb = mbc∆tb

Arotating space station is said to create “artificial gravity”—a loosely-defined term used for an acceleration that would be crudely similar to gravity. the outer wall of the rotating space station would become a floor for the astronauts, and centripetal acceleration supplied by the floor would allow astronauts to exercise and maintain muscle and bone strength more naturally than in non-rotating space environments. if the space station is 200 m in diameter, what angular velocity would produce an “artificial gravity” of 9.80 m/s^{2} 2 at the rim?

10 newton object is placed 3 meters from the fulcrum. at what distance on the other side would you need to place a 15 newton object to balance the lever? show your work!

Coal contains energy. a. light b. kinetic c. chemical d. mechanical