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Sun-Earth mass ratio Kepler's laws also apply to the motion of satellites around a planet. The table shows A3/T2 for a number of Earth satellites. The ratio A3/T2 is constant to a fraction of a percent, although the periods vary by ≈ 35. Using these data and taking the major diameter of Earth's solar orbit to be Ae = 2.99 × 108 km, calculate the mass of the Sun relative to the mass of the Earth, Ms/M
a steel tape is used to measure a distance of 20 m at a 10 0c. assuming that the tapenbspwill measure the true distance
a one kg metal part specific heat 0.7 kjkg k initially at 1234k is quenched in a bucket containing 20 gallons of water
consider an r-134a compressor on a refrigeration system. if the refrigerant enters as saturated vapor at 200 kpa 0.03
What is the equation for calculating the torque of a motor?
a small projectile is fired vertically downwards into a fluid medium with an initial velocity of 60 ms. due to the drag
sap from a maple tree contains 5 sugar and 95 wateer on a dry basis. your evaporator will boil away 1.25 kg of water
Calculate the applied bending moment on a 60 mm x 160 mm rectangular beam with a maximum bending stress of 20,000 kPa.
a composite wall made up of two materials. the temperatures on the left and right faces are maintained at constant
Determine the force F necessary to hold a drum in the position shown. You may neglect the weight of the dolly in comparison with the 500-lb weight of the drum, whose center of gravity is at G
a pump steadily draws water at a mass flow rate at 20 lbms through a piping arrangment. at the pipe inlet the pressure
Determine the diameter of the driven pulley and the approximate belt length if A) it rotates in the same direction at 450rpm B) it rotates in the opposite direction at the same speed
r-22 in a pistoncylinder has mass 1 kg and temp. 10degc with a volume of0.02 m3 . initially state 1 the piston rests on
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