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1. A rocket has an empty weight of 500 lb and carries 300 lb of fuel. If the fuel is burned at the rate of 1.5 lb>s and ejected with a velocity of 4400 ft>s relative to the rocket, determine the maximum speed attained by the rocket starting from rest. Neglect the effect of gravitation on the rocket.
2. Determine the magnitude of force F as a function of time, which must be applied to the end of the cord at A to raise the hook H with a constant speed v = 0.4 m>s. Initially the chain is at rest on the ground. Neglect the mass of the cord and the hook. The chain has a mass of 2 kg>m.
a solution containing bacteria at a concetration of .001gl was fed to a semibatch reactor. the nutrient was in excess.
Design a Hohmann transfer to take a satellite from a parking orbit 200 km by 400 km to a circular orbit with a period of 4 hours. Show all calculations
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describe the mechanical properties of strength as an example lets choose a metal cutting file as it relates to
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Air passes through a gas turbine system at a rate of 4.5kg/s. It enters with a velocity of 150m/s and a specific enthalpy of 3000kJ/kg. At exit, the velocity is 120m/s and the specific enthalpy is 2300kJ/kg. The air has a heat loss to the surrounding..
a spherical shell made of a material with a density of 1600 kgm3 is placed in water. if the inner and out radii of the
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