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A synchronous orbit about the earth is obtained when the period of the orbit is same as the length of the day. If the length of an earth day is 24 hrs and the rauis of earth is 6370 km ,how high above the Earth surface should a body be placed in order to be in a synchronous orbit.
a crate of weight w550 lb has been attached to a pickup truck by a rope whose tensile strength is tmax350 lb. if the
12 lbm of superheated water vapor at 60psia and 500deg c in a piston cylinder device is cooled at constant pressure
3-21m for the flud power automobile lift system of figure 3-35 the air pressure equals 550 kpa gage. if the hydraulic
If the engine exerts a traction force of 1/8 of the weight of the train, determine the speed of the train when it has traveled up the slope a distance of 1.1 . Neglect rolling resistance.
a piston with a mass of 500 kg is being held in place by 0.5 kg of oxygen in a circular cylinder of diameter of 50 cm.
sea-level air is drawn from the atmosphere through a duct and into a vacuum tank. if the air remains a perfect gas at
Calculate the velocity v of the collar as it hits the stop at B if it is elevated from rest at A by the action of the constant 40-N force in the cord. The cord is guided by the small fixed pulleys.
in an experimental study designed to simulate the manner in which a cat drinks a glass plunger simulating a cats tongue
a rectangular fuel storage tank 2.4m wide and 2m high has a volume of 40 m3. it is placed horizontally so the top of
What are the design implications for the location and positioning of solar cells? Explain why the use of solar cells might be more appropriate in some regions of the country.
A volume of 1.8 L of neon gas (monatomic) is at a pressure of 3.4 atmospheres and a temperature of 370 K. The atomic mass of neon is 20.2 g / mol. Calculate the mass of neon gas in SI units.
a 600 mw coal-fired power plant has an overall thermal efficiency of 38. it is burning coal that has a heating value of
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