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A rocket is tracked by radar from its launching point A. When it is 10 seconds into its flight, the following radar measurements are recorded: r=2200m, r'=500m/s, r"=4.66m/s^2, theta=22 deg, theta'=0.0788 rad/s, and theta"=-0.0341 rad/s^2. For this instant determine the angle beta between the horizontal and the direction of the trajectory of the rocket and find the magnitudes of its velocity v and acceleration a.
a 250 mm bar of 15mm x 30 mm rectangular cross-section consists of two aluminum layers which are 5 mm thick each brazed
In our stress calculation example, we had an array of rod diameters and wanted to calculate the normal stress in each rod when it is loaded by an axial load P of 1000 lbs. EDU stresscalc ?
for each of the following cases determine the internal energy and the enthalpy using the compressed liquid tables and
in an overhead smash a tennis player strikes the ball with the center of the head of the racquet. say the contact
an insulated cylinder is initially filled with saturated r-134a vapor at a specified pressure. thenbsprefrigerant
how to solve the following1 for integrated circuits al lines are commonly placed on si to act as electrical conductors
two barges each with a displacement mass of 550 mg are loosely moored in calm water. a stunt driver starts his 1650-kg
two spaceships a and b are exploring a new planet. relative to this planet spaceship a has a speed of 0.60c while
a steam turbine operates with 1.6 mpa and 350 degree c steam at its inlet and saturated vapor at 30 degree c at its
Calculate the force of attraction between a K+ cation and a O2- anion, the centers of which are separated by a distance of 1.5 nm.
a scuba divers 2 cubic foot air tank is to be filled with air from a compressed air line at 120 psia and 100 degrees f.
consider a wind turbine with a 90-m blade span subjected to 25-kmh steady winds. if the combined turbine-generator
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