Numerade

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Communications satellites are placed in a circular orbit where they stay directly over a fixed point on the equator as the earth rotates. These are called geosynchronous orbits. The altitude of a geosynchronous orbit is 3.58×107m(≈22,000miles)3.58×107m(≈22,000miles). what is the weight of a 200kg satellite

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A car of mass 1,650 kg travels along a circular road of radius 75.0 m at 21.0 m/s. (a) Calculate the magnitude of the car's centripetal acceleration. m/s2 (b) What is the magnitude of the force of static friction acting on the car? N

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Which of the following organic molecules, and the basis of Jurassic Park (especially the original one, not the dumber one with Chris Pratt) stores and transmits genetic information? Amino acids carbohydrates proteins lipids are necleic acids

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Which evolutionary mechanisms would you need to understand to predict the success of genetically modified mosquitoes to

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The following are the recorded weights of the students: \begin{tabular}{lllll} 51 & 80 & 80 & 77 & 64 \\ 81 & 69 & 64 & 87 & 85 \end{tabular} Compute for $ Z_{c} $ or $ t_{c} $, whichever is appropriate. Round off your answer to the nearest thousandths.

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? Question 10 Integrated (using the same database) systems are INFERIOR to interfaced (functionally bridged between different databases) systems. No answer text provided. False No answer text provided. True 1 pts

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Problem 3. (1 point) Simplify the given expression. Write answers with positive exponent. y^(-6)(y^(2))^(2)

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The order of activation of motor units or motor recruitment is the prime mechanism for force production in the muscle. Which of the following is NOT true? A: Increasing the number of active motor units increases the active cross-sectional area of muscle. B: Recruitment sequence usually follows the size principle, where small slow-twitch motoneurons are recruited first. C: During force development, larger motor neurons are brought into action first.

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Section C: Long Exercises (20 Marks) CI: Evaluate the following projects, using the profitability index. Assume a cost of capital of 12%. [SK1: 10 marks] Initial Cash Outflow Year 1 Cash flow Year 2 Cash flow Year 3 Cash flow Project M Project N -$195,000 -$375,000 17,250 240,000 95,250 142,500 142,500 112,500 a. What is the profitability index for each project? (6 marks) b. If the projects are independent, which would you accept according to the profitability index criterion? (2 mark) c. If these projects are mutually exclusive, which would you accept according to the PI criterion? (2 mark)

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1. Consider a linear network comprising only current sources and resistors as in Figure 1. 11 4 mA ? GND R2 2 ?? R3 4 ?? 12 2 mA + R4 4 ?? R1 2 ?? R5 1 ?? (a) Figure 1 Determine the total number of nodes, including ground (GND), and the number of meshes in the network. (b) Using symbolic expressions, write the minimum set of equations using the node- voltage method (without actually solving the circuit). (c) Using symbolic expressions, write the minimum set of equations using the mesh- current method (without actually solving the circuit).

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domingo m.