Una persona camina 6 km en direccion oeste, gira y camina otros 4km 30ª al noroeste. Finalmente camina 2km al norte, cual fue su desplazamiento resultante?

A175 g lump of molten lead at its melting point (327 c) is placed into 55.0 g of water at 20.0 c. the specific heat of lead is 130.j/kg c and the hf of lead is 20,400 j/kg. when the lead and the water have reached equilibrium, what is the temperature of the mixture?

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

Which governments provide garbage collection services to homes and businesses