3. Five identical keys are suspended from a balance, which is held horizontally as shown. The two keys on the left
are attached to the balance 6 centimeters from the pivot.

What will happen when the person lets go of the balance beam? Explain.

To protect all four receptacles on a branch circuit that surrounds a swimming pool, you would install which of the following configurations? a. gfci feed-through receptacle at the end of the load's circuit b. gfci-terminated receptacle at the beginning of the load's circuit c. gfci feed-through receptacle at the beginning of the load's circuit and the other receptacles connected to the load side of that receptacle d. gfci-terminated receptacle at each end of the load's circuit

Chemical energy is a form of energy. a. heat b. kinetic c. potential d. electromagnetic

The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?