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A rocket launches an unpowered space capsule at point A with an absolute velocity vA = 8560 mi/hr at an altitude of 27 mi. After the capsule has traveled a distance of 259 mi measured along its absolute space trajectory, its velocity at B is 8100 mi/hr and its altitude is 48 mi. Determine the average resistance P to motion in the rarified atmosphere. The earth weight of the capsule is 77 lb, and the mean radius of the earth is 3959 mi. Consider the center of the earth fixed in space.
Roll out a sheet of blu-tack, punch out a disk with your specified radius, assemble a flywheel for testing on an electric drill and determine the approximate critical rotation speed in rpm - SEM212 T1 2014
The motion of a particle in defined by the relation x = t3 - 15 t2 - 20, where ‘x' is expressed in metres and ‘t' in seconds. Determine the acceleration of the particle at t = 3 seconds.
A high performance F-16 fighter is flying at Mach 0.96 at sea level. What is the air temperature at the stagnation point at the leading edge of the wing?
question 1 it is observed that snow lies stably on roofs with a slope of less than 24deg but that it slides off roofs
Two tow trucks lift a 100 lb motorcycle out of a ravine following an accident. If the motorcycle is in equilibrium in the position shown, what are the tensions in cables AB and AC?
what is the enthalpy change needed to change 3 kg of liquid water at 0 c to steam at 0.1 mpa and 150 c? b. what is the
a plant has two identical standby generator units for emergency power use. in the area of the generators the normal
If the minimum attractive rate of return is20% per year, determine the one machine that should be selected on the basis of a rate of return analysis.
an egg can be approximated as a 5.5 cm diameter sphere with rho 1020 kgm3 cp 3.32 kjkgc. determine the heat transfer
an ideal gas of mass 2 kg is contained within a rigid cylinder and undergoes a cycle which consists of three separate
For this same component and alloy, compute the stress level at which fracture will occur for a critical internal crack length of 6.0mm.
a cylinderical specimen made of annealed 4135 steel with k equal to 150000 lbin2 and n equal to 0.27 has a diameter of
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