20. Small block A sits on top of large block B, as shown in the diagram. Both blocks are being pulled to the right along a flat surface by a horizontal pull of 100 N. as shown in the figure. Both blocks are moving together at a constant velocity of 2.0 m/s to the right, and both have the same weight. Which free-body
diagram shows the horizontal forces acting on the upper block, A?

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

The current in a hair dryer measures 11 amps. the resistance of the hair dryer is 12 ohms. what is the voltage?unit:

A1.5m wire carries a 2 a current when a potential difference of 52 v is applied. what is the resistance of the wire?