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A) Calculate the Energy in kW-h necessary to place a 1.0 kilogram object in low Earth orbit. In Low earth orbit, the height of the object above the surface of the earth is much smaller than the radius of the Earth's radius. Take the orbital height to be 370 kilometer.Answer in kW-h = ?
B) If the energy can be obtained for $.15/kWh, determine what would the minimum cost be of launching a 435 kilogram satellite into low Earth orbit? Ignore air resistance.
The density of an ideal gas is found to vary with temperature according to the equation d=PM/RT, where P and M were held constant in this case.
A straight wire in a magnetic field experiences a force of 0.029 N when the current in the wire is 2.5 A. What is the new current
Calculate the earth’s radiative temperature (TE) for an albedo value of 0.27, 0.30 and 0.33. Then estimate the surface temperature using a reasonable estimate of the temperature increase due to the greenhouse effect. Summarize the scientifically vali..
A block with mass m1 = 9.4 kg is on an incline with an angle ? = 33.0° with respect to the horizontal. For the first question there is no friction between the incline and the block. When there is no friction, the magnitude of the acceleration of t..
A tire is filled with air at15°C to a gauge pressure of 210kPa. If the tire reaches a temperature of 36°C, what fraction of the original air must be removed
A top loading washing machine has a spin cycle that rorates at frequency f. The spinning drum that holds the clothes has a radius R, Find an expression for the magnitude of the wall's normal force acting on the piece of clothing as the drum spins
In an insulated vessel, 260 g of ice at0°C is added to 630 g of water at19.0°C. What is the final temperature of thesystem? How much ice remains when the system reaches equilibrium?
When a diver jumps into the ocean, water leaks into the gap region between the diver's skin and her wetsuit, estimate how much energy (in units of candy bars = 300 kcal) is required by this heating process
A physics major is working to pay his college tuition byperforming in a traveling carnival. what is the magnitude of the normal force exerted on the motorcylce by thesphere at this point
problem 1 a ball is thrown from atop a cliff with an initial speed of 30 ms at an angle of 40o above the horizontal.
A piano string having a mass per unit length equal to 5.02g/m is under a tension of 1330N. Find the speed that a wave travels on the string
a typical hard drive in a computer spins at 5400rpm. what is the period in seconds
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