Un cubo de acero de 45Cm de arista esta sumergida en hielo, si tiene un peso de 475 N calcular: a) volumen
b) empuje
c)peso aparente

You are traveling in a car going at a constant speed of 100km/h down a long, straight highway. you pass another car going in the same direction which is traveling at a constant speed of 80km/h. as measured from your car's reference frame this other car is traveling at −20km/h. what is the acceleration of your car as measured from the other car's reference frame? what is the acceleration of the other car as measured from your car's reference frame?

Two technicians are discussing a resistance measurement between the can-h and can-l wires. technician a says this measurement should be done with the ignition switch in the "run" position. technician b states that a measurement of 0 ohms indicates an open in the network. which technician is correct?

If jerome is swinging on a rope and transferring energy from gravitational potential energy to kinetic energy, is being done.