A piece of polystyrene packaging material (density = 19 kgm−3) that has a mass of 0.25 kg is tethered to the bottom of a container of water (density = 1×103 kgm−3) with a piece of string. What is the tension in the string?​

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

An athlete is holding 24 lb of weights at a height of 6 inches above the stack as shown. to lower the weights, she applies a constant force of 5 lb to the handle. determine the velocity of the weights immediately before they hit the stack.

The unit of resistivity is the: ohm ohm-cm volt coulomb