Physics, 06.05.2020 21:00 edenszigethyow8ajk
Sound produced by thunderstorm is heard 10s after the lightening is seen. Calculate the approximate distance of the thunder cloud. (Given speed of sound in air = 340m/s)
Answers: 1
Physics, 22.06.2019 13:30
If the spring constant k of a pogo stick is 3500 n m and the weight of the person on the pogo stick is 700 n, how much is the spring in the botom of the pogo stick compressed?
Answers: 2
Physics, 22.06.2019 15:00
Mechanical energy is when the amount of kinetic and potential energies added together remains the same. conserved created lost
Answers: 1
Physics, 22.06.2019 19:00
Abatter hits a 0.140-kg baseball that was approaching him at 30 m/s and, as a result, the ball leaves the bat at 40 m/s in the reverse of its original direction. the ball remains in contact with the bat for 2.0 ms. what is the magnitude of the average force exerted by the bat on the ball?
Answers: 1
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
Sound produced by thunderstorm is heard 10s after the lightening is seen. Calculate the approximate...
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