2. John Ross holds the record for the 40 yard dash at the NFL combine. If Ross ran at an average speed of 9.48 yards/second, calculate the amount of time it took him to finish the race.

What property is a characteristic of a substance that can be observed and does not change the identity of the substance

What is friction? how does it affect the motion of an object?

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