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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.
A railroad car of mass 2.44 104 kg, is moving with a speed of 3.96 m/s. It collides and couples with three other coupled railroad cars, What is the speed of the four cars after the collision
an insulated thermos contains 151 cm3 of hot coffee at 75 degc. you put a 12.0 g ice cube at its melting point to cool
A curling stone with a mass of 7.00 kg moves across the ice at a speed of 1.35 m/s in the positive x direction. What is the initial kinetic energy
In extremely cold weather conditions where the inside thermostat is set to 27 C and the outside temperature is -20 C, How much energy might you lose in one week
A balloon carrying a basket is descending at a constant velocity of 20.0m/s. At the instant the rock hits the ground, how far is it from the basket
a simple dartboard has three areas... the main board has a radius of 11 inches there is a circle with a radius of 5
Find out , the magnitude of the force each plate experiences due to the other plate as a function of , the potential drop across the capacitor.
In one measurement of the body's bioelectric impedance, values of Z = 5.62 x 102 and = -9.14° are obtained for the total impedance, Determine the bodys capacitive reactance
radiation from a star reaches a planet's surface at an average rate of 2700 w/m^2, Find the force exerted on a roof that has dimensions 10x20 m
The nucleus of radioactive polonium-210, with a mass of about 3.49?10?25kg , is known to decay by emitting an alpha particle with a mass of about 6.68?10?27kg. what is the recoil speed of the remaining nucleus
A race vehicle accelerates uniformly as it leaves the pit area, going from rest to 320 km/h in a semicircular arc with a radius of 198 meter. Find the radial acceleration of the vehicle at this time
The raising and lowering angular momentum operators, J-hat(subscript +), J-hat(subscript -) are defined in terms of the Cartesian components J-hat(subscript x), J-hat(subscript y), J-hat(subscript z) of angular momentum J-hat by J-hat(+)=J-hat(x)+..
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