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To place a communications satellite into a geosynchronous orbit at an altitude of 22,240 mi above the surface of the earth, the satellite first is released from a space shuttle , which is in a circular orbit at an altitude of 185 mi, and then is propelled by an upper-stage booster to its final altitude. As the satellite passes through A, the booster's motor is fired to insert the satellite into an elliptic transfer orbit. The booster is again fired at B to insert the satellite into a geosynchronous orbit. Knowing that the second firing increases the speed of the satellite by 4810ft/s, determine (a.) the speed of the satellite as it approaches B on the elliptic transfer orbit, (b.) the increase in speed resulting from the first firing at A.
a link AC has uniform rectangular cross section 3mm thick and 25mm wide. Determine the normal stress in the central portion of that link? solution
determine the specific volume of superheated water vapor at 15mpa and 350oc using a the ideal gas equation b the
mass 8kg stiffness 90nm initial displacement 0.1m initial velocity 0.9ms assume the system is critical damped. find the
water flows through a pipe at an average temperature of t70degc. the inner and outer radii of the pipenbspare r16cm and
Demonstrate suitable accuracy by using a simple hand calculation for the static analysis of the structure. Describe in detail the hand calculations performed to validate the final solution. What is the approximate error between the simplified hand..
the 800-lb load is being hoisted at a constant speed using the motor m which has a weight of 90 lb. determine the
hot water at 90c enters a 15-m section of cast iron pipe whose inner diameter is 5.3 cm at an average velocity of
Show that the total true strain is the sum of the true strains in each step, that is the true strains are additive. Show that using engineering strains, the strain for each step cannot be added to obtain the total strain.
the a-36 steel axle is made from tubes ab and cd and a solid section bc. it is supported on smooth bearings that allow
A cylindrical bar of aluminum 19 mm (0.75 in) in diameter is to be deformed elastically by application of a force along the bar axis. Using E=10 psi (Modulus of Elasticity), determine the force that will produce an elastic reduction of 1e-4 in. in..
Knowing that crank AB rotates about point A with a constant angular velocity of 900 rpm clockwise, determine the acceleration of the piston P when θ = 120°.
the atmosphere is stable with a lapse rate of -0.2 degree c100 m. the surfaces air temperature is 15 degree c. a parcel
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