PLEASE HELP!!
The theory of relativity is an example of what research

What difference(s) did you notice using a pneumatic circuit over hydraulic circuit. explain why the pneumatic piston stumbles when it hits an obstacle.

The mass flow rate of the fluid remains constant in all steady flow process. a)- true b)- false

Steel is coated with a thin layer of ceramic to protect against corrosion. what do you expect to happen to the coating when the temperature of the steel is increased significantly? explain.