Un cojinete de anillo de acero tiene un diámetro interior que es 1 mm más pequeño que un eje. ¿Qué se puede hacer para que encaje en el eje sin que se elimine material?

Which is not true about oxygen-17 and oxygen-18?

An insulated 40 ft^3 rigid tank contains air at 50 psia and 120°f. a valve connected to the tank is now opened, and air is allowed to escape until the pressure inside drops to 25 psia. the air temperature during this process is kept constant by an electric resistance heater placed in the tank. determine the electrical work done during this process.

Due in 40 explain in terms of frame of reference if you’re inside a moving train everything on the outside can seem to be moving