If a 900 newton tv is moved 3m in 60 seconds, how much power was used?
A. 5
B. 45

Look at the potential energy diagram for a chemical reaction. which statement correctly describes the energy changes that occur in the forward reaction?

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.

4. if you were an astronaut on the moon, what would you experience? what would you see from your perspective?