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A 3.6 kg rocket body containing 1.59 kg of fuel, is attached to a light, rigid rod of length R = 0.45 m. The rod pivots freely in the horizontal plane (so you can neglect gravity) about the fixed point O. Assume that the rocket burns fuel at rate of mdot = 0.27 kg/s, with an exhaust velocity u = 23.9 m/s relative to the rocket. Determine the angular speed (magnitude of the angular velocity(omega)) of the rocket at t = 3.1 seconds. Specify your answer in rad/s to 2 decimal places.
steam with a mass flow rate of 20 kgs enters an adiabatic turbine at a pressure of 10.0 mpa and a temperature of
a civil engineer must design a wheelchair accessible ramp next to a set of steps leading up to a building. the height
An Industrial water shutoff valve is designed to operate with 40lbs of force and will encounter 150lbs of resistance force applied to a 2in diameter axle. What is the required actual mechanical advantage of the system?
an old-style wooden irrigation gate is opened by pulling on a steel cable that connects to the bottom of the gate. how
A heat pump is used to maintain a house at a constant temperature of 23 °C. The house is losing heat to the outside air through the walls and the windows at a rate of 60,000 kJ/hr while the energy generated within the house from people
a 100 pound ball is suspended from a wall by a rope that is pulled asided by a horizontal rope B and held so that rope A makes a angle of 30 degrees with the vertical wall. Find the tension in ropes A and B?
consider the supersonic flow over a flat plate at an angle of attack. as stated the flow direction downstream of the
Determining initial acceleration of a projectile How can I proceed to solve the problem below?
the annual growth rate of energy utilization in the world was 2.5 per year in 2011. how long would it take to consume
a more desirable color is 39 pigment a 27 pigment b 25.2 pigment c and 8.8 pigment d. using gauss-seidel method
A huge reservoir of air supplies a converging-diverging nozzle with throat and exit areas of 10 cm^2 and 25 cm^2 respectively. The reservoir pressure and temperature are 150 kPa and 20C. Determine the range of back pressure over which
question a 49 kg person drinks 520. g of milk which has a caloric value of approximately 3.0 kjg. if only 19 of the
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