In diving to a depth of 299 m, an elephant seal also moves 909 m due east of his starting point. What is the magnitude of the seal's displacement?

The most important difference between a wedge and an inclined plane is a. their size b. their shape c. how they are used d. what they are made of

What tightening torque should be used for a hexagonal head screw (not split-bolt) on a 250 kcmil conductor?

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.