Physics, 19.10.2021 02:00 missdee7623
Рухи матеріальних точок задано такими рівняннями:
а) х = 10t + 0,41°; б) х = 2t – t?; в) х = -4t +2°; г) х =-t - 6t'. За-
Пишіть залежність D = v(t) для кожного випадку; побудуйте графіки
цих залежностей; визначте вид руху в кожному випадку.
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Gunpowder residue is most likely to show up where on a shooters hands
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Arocket starts from rest and moves upward from the surface of the earth. for the first 10.0 s of its motion, the vertical acceleration of the rocket is given by ay = 12.80 m/s32t, where the +y-direction is upward. (a) what is the height of the rocket above the surface of the earth at t = 10.0 s? b) what is the speed of the rocket when it is 325 m above the surface of the earth?
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Another word for electromagnetic energy is a. heat b. force c. matter d. radiation
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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
Рухи матеріальних точок задано такими рівняннями:
а) х = 10t + 0,41°; б) х = 2t – t?; в) х = -4t +...
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