I hand you a 8000g piece of metal that has a density of 8 g/mL. This piece of metal has a volume of 1000 mL. When you throw it into the a local pond, it sinks to the bottom. How can you make that same piece of metal
float? Explain.

Oxygen and nutrients are moved through the body by the: a. circulatory system c. lymphatic system b. digestive system d. reproductive system

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.

If the area of a square has increased by a factor of 16, by how much has each side increased?