Physics, 11.03.2020 01:58 umadbro46111
Using the mass and radius of the Sun given under the "Vital Statistics" section of Chapter 10 in your textbook, calculate the Sun's average density. Note: Remember that the radius is half the diameter and be sure to convert from kilometers to meters before using in the calculations. Use the following equations: LaTeX: V=\frac{4}{3}\pi r^3 V = 4 3 π r 3 where V = volume (m3) and r = radius (m) LaTeX: \rho=\frac{m}{V} rho = m V where LaTeX: \rho rho = density (kg/m3), m = mass (kg), and V = volume (m3)
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Physics, 22.06.2019 08:40
Apulley system is used to lift a 2,000 newton engine up a distance of 3 meters. the operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. to lift the engine 3 meters, the operator must pull a total of 30 meters of chain through the pulley system. what is the value of di?
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Physics, 22.06.2019 15:50
If the work required to stretch a spring 3 ft beyond its natural length is 15 ft-lb, how much work is needed to stretch it 27 in. beyond its natural length?
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Physics, 22.06.2019 20:50
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
Answers: 3
Using the mass and radius of the Sun given under the "Vital Statistics" section of Chapter 10 in you...
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