If an elephant has a net force of 10000 N downward while experiencing an upward force of 9000 N from air resistance, what is the elephant's gravitational force downward? -1000 N, downward
-20000 N, downward
-19000 N, downward
-0 N, the forces are balanced

What is the function of the commutator in a dc motor? a. to spin the magnet b. to change direct current into alternating current c. to change alternating current into direct current d. to spin the wire coil

The chart shows the costs and shipping times for materials that a company needs to build a new product. which describes the best trade-off if the company needs to start building their product within the next two years? they should order the domestic materials because it is always best to choose the fastest shipping time. they should order the imported materials because it is always best to choose the lowest cost for materials. since the shipping time is longer, they should order the domestic materials because the additional cost is worth it to get the materials in time. even though the shipping time is longer, they should order the imported materials because they are less expensive and should arrive in plenty of time to build the product.

What structural formula represents 4 electrons shared between two atoms?