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A car accelerates from rest along a straight section of road. It starts at position s = 150 m and reaches a speed of 20 m/s at position s = 200 m. It is proposed that this acceleration, a, can be modelled as being a function of position, s, in the form a = c/s. With this model, what is the constant c?
20 kg of water at 200 kpa with a quality 25 is heated under a constant volume process until its pressure reaches 400
Mud is stopped using a wall made from 1.2 m high x 0.25 m wide rectangular concrete blocks as shown in figure below. Blocks density is 2700 kg/m3, mud density is 1800 kg/m3, and friction coefficient between ground and concrete blocks is f = 0.3.
a tank is rigid and contains r134a at 800 kpa and saturated conditions with quality equal to .75. from this condition a
a piston-cylinder device contains liquid and vapor water in equilibrium at a pressure of 14.7 psia. the mass of the
steam enters an adiabatic turbine at 8 mpa and 520 degc with a volumetric flow rate of 0.8 m3s and exits at 30 kpa. the
a pump steadily draws water at a mass flow rate of 20 lbms through a piping arrangement. the pressure at the inlet is
a component is fabricated from an aluminum alloy that has a plane strain fracture toughness of 43 mpa-m-12. during
a 0.1 m long mullite furnace tube is heated from room temperature 25 degrees celcius to 1000 degrees celcius. assuming
(a) determine how much ice has melted to bring the temperature of the beverage to equilibrium with the ice/water. (b) Determine the final equilibrium temperature
a water ride at cedar point involves a 200 lb canoe that slides down a 45 degree incline from an original elevation of
the inner surface of a hollow cylinder internally pressurized to 100mpa experiences tangential and axial stresses of
Air enters an adiabatic nozzle at 5.18 MPa and 400K with a velocity of 20 m/s. The air exits at 2.00MPa. Determine the maximum exit velocity for this nozzle.
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