Jay fills a wagon with sand (about 20 kg) and pulls it with a rope 40 m along the beach. he holds the rope 25â above the horizontal. the rope exerts a 20-n tension force on the wagon. how much work does the rope do on the wagon?

Which is the most accurate name for the ionic compound cas?

The second largest public utility in the nation is the sole provider of electricity in 32 counties of southern florida. to meet the monthly demand for electricity in these counties, which is given by the inverse demand function p = 1,200 – 4q, the utility company has set up two electric generating facilities: q1 kilowatts are produced at facility 1, and q2 kilowatts are produced at facility 2 (so q = q1 + q2). the costs of producing electricity at each facility are given by c1(q1) = 8,000 + 6q12 and c2(q2) = 6,000 + 3q22, respectively. determine the profit-maximizing amounts of electricity to produce at the two facilities, the optimal price, and the utility company’s profit

Which statements did both aristotle and ptolemy assume? check all that apply.