Calculate the work done by a 4.2 N force pushing a 450. g sandwich across a table 0.8 m wide.

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

In science and physics what is the standard unit of measure for speed?

Ways that industry and agriculture use physical properties to separate substances