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Two parts of molecular hydrogen gas are mixed with one part of molecular oxygen gas (on a molar basis) at 2.00 MPa, 0.00°C and expanded through a reversible nozzle from a negligible inlet velocity to 292 m/s at the entrance to the combustion zone of a rocket engine.
Through a preheating process in the nozzle, the gas mixture receives 1325.5 kJ per kg of mixture of heat at 500.°C. Determine the exit pressure of the gas mixture. Assume ideal gas behavior.
A baby sitter pushing a stroller starts from rest and accelerates at a rate of 0.500m/s2. What is the velocity of the stroller
a plane has a takeoff speed of 88.3 ms and requires 1365 m to reach that speed. determine the acceleration of the plane
A horizontal wire of length 0.57 m, carrying a current of 8.0 A, is placed in a uniform external magnetic field. Determine the magnitude of the external magnetic field
a) Find the range of possible values for m2 for which the system will be in static equilibrium.
A 77.0 N box of oranges is being pushed to the South across a horizontal floor. As it moves, it is slowing at a constant rate of 0.87 m/s each second. Calculate the coefficient of kinetic friction between the box and floor
What should be coefficient of static friction
A flat coil enclosing an area of 0.07 m2 is rotating at 56 rev/s, with its axis of rotation perpendicular to a 0.17 T magnetic field. If there are 998 turns on the coil, what is the maximum voltage induced in the coil?
question1consider mass and a frictionless ramp. the mass is pushednbspupward with some initial velocity. since of
1.01 kg rolling hoop with a radius of 9 cm rolls without slipping. If the angular speed of the hoop is 2.09 rad/s , compute rotational kinetic energy of the rolling hoop in Joules
A highway curve of radius 600m is designed for traffic moving at a speed of 73.0km/hr. What is the correct banking angle of the road
The lens-to-retina distance of a patient is 0.0201m and the totally relaxed strength of her eye is 50.0D. (a) What lens strength will correct her distant vision? (b) If the eye has an 8% ability to accommodate, what will be the closest object she can..
A circular coil enclosing an area of 200 cm2 is made of 190 turns of copper wire. The wire making up the coil has resistance of 7.0 ?, what is the average current in the coil during that time
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