Joaquín aplica una fuerza de 20 N en dirección horizontal hacia la izquierda sobre una caja. 2) Sofía levanta una pelota desde el suelo, aplicando una fuerza vertical hacia arriba de 132 N.

3) Esteban empuja un banco con una fuerza de 37 N en direccion horizontal hacia la derecha.

4) Marga tira de un carrito con una fuerza de 75 N en dirección oblicua a 45° con la horizotal.

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