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a stationary orbit is done with a period equal to the time it takes the planet to revolve one time so that the satellite appears to remain at the same point in the sky all the time. For the Earth that means a period of 24 hours. The planet Mars has a mass of 6.4 x 10^23 kg and a day that is 24.67 hours= 8.9 x 10^5s long. Find the radius of a stationary orbit.
An engineer uses an economic analysis to determine which of the two machines to purchase. All the machines that are being considered are capable of performing the same task. Assume that the minimum attractive rate of return is 12% compounded m..
A pipe of 20 cm diameter is carrying a discharge of 0.1 m3/sec. If the diameter of the pipe is reduced to 5 cm at its end, calculate the velocity and velocity head at the pipe outlet.
A ring with radius R has a total charge Q uniformly distributed around it. To leading order, find the electric field at a point along the axis of the ring, a very small distance z from the center
An energy management system that can save 7,500 per year for four years, expenses are 2,000 per year, installed at a cost of 20,000. At the end of 4 years it is expected to be sold for 1,250. using the end of year convention, the rate of retur..
Give the structures of two different aromatic compounds that could be used to synthesize benzene-1,2-dicarboxyclic acid
A hypodermic syringe is attached to a needle that has an internal radius of 0.304 mm and a length of 3.05 cm. What force must be applied to the plunger, which has an area of 1.05 cm2
Prepare a flowchart of a typical job order system with arrows showing the flow of costs and prepare separate journal entries for each type of manufacturing cost.
Use Coulomb's law to calculate the ionization energy in {\rm kJ/mol} of an atom composed of a proton and an electron separated by 80.0 pm
a. Given the following chart and information fill in the missing values. Please write on a separate sheet. Note that r = $50 and w = $100. Use a price of $5.50.
Create a Microsoft Word table that identifies the advantages, disadvantages, computer requirements, initial costs, and future savings for an organization considering an engagement in virtualization.
The tension in a string is 20.6 n and its linear density is .649 kg/m. A wave on the string travels in the -x direction. It has amplitude of 3.71 cm and a frequency of 10.6 hz. What are the speed and wavelength of wave.
Three charges sit at the corners of an equilateral triangle with sides of length d = 3cm. Calculate the electric potential at the centre of the triangle
The radius of our Sun is 6.96*10^8 m, and its total power output is 3.85*10^26 W. find lambda-max for the Sun
An object is located 75.0 cm in front of a mirror and on the principle axis. The mirror is concave with a radius of curvature 50.0 cm. State the properties of the image
Two cesium-133 atomic clocks differ by one second in 6000 years. Assume one of the clocks gains one second in six thousand years, approximately what is the change in the number of oscillations of the light each second?
A Bullet of mass 14g strikes a block of mass 1.2kg, which is at rest on a horizontal frictionless surface and is attached to a coil spring shown. Find the velocity of the block just after impact
The partial pressures of gas A and gas B, respectively, are 0.238 atm and 0.779 atm. If 0.220 mol a third gas is added with no change in volume or temperature, what will the total pressure become?
Water flows over a section of Niagara Falls at a rate of 1.07 × 106 kg/s and falls 40 m, How many 70 W bulbs can be lite with this power
A hot air heating system rated at 84,000 Btu/hr has an efficiency of 65%. The furnace fan can move 225 ft3 of air per minute. If the air enters the furnace at 60.0°F, determine the temperature of the outlet air.
Two identical conducting spheres, fixed in place, attract each other with an electrostatic force of -0.6020 N when separated by 50 cm, center-to-center.
Phil is standing on a third floor balcony, 10m above the ground. Where does the ball hit the ground
a 2 kg object attached to a horizontal string moves with constant speed in a circle on a frictionless horizontal surface. Find the radius of the circle
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