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A particle of mass m slides without friction inside a three-dimensional conical funnel, whose walls have unit slope and whose center axis is vertical (Figure 10.26). If the particle is launched inside the funnel at height h and horizontal speed s0, find the vertical speed of the particle when it reaches the bottom of the funnel.
a heat pump maintains a dwelling at a temperature tin when the outside temperature tout is 5oc. the heat transfer heat
If pressure and specific internal energy are known at a state of water vapor, how is the specific volume at that state determined using IT? Using the steam tables? Repeat if temperature and specific internal energy are known.
Consider laminar, fully developed flow in a channel of constant surface temperature Ts. For a given mass flow rate and channel length, determine which rectangular channel, b/a = 1.0, 1.43, or 2.0, will provide the high- est heat transfer rate. Is t..
The motorcycle has a mass of 0.5 Mg and a negligible size. It passes point A traveling with a speed of 15 m/s , which is increasing at a constant rate of 1.5 m/s . Determine the resultant frictional forcce exerted by the road on the tires at this ..
Construct the homogeneous solution in terms of four constant that could be determined from initial conditions and show the equations of motion
to defog the rear window of an automobile a very thin transparent heating element is attached to the inner surface of
If the mass is driven harmonically by a 90-N force at 25 Hz, determine the equivalent viscous-damping coefficient if the coefficient of friction is 0.1.
determine the force P required to start moving the beam.
For a shaft of 1045 steel rotating at 1,200 rpm and under a transverse load, what is the maximum stress amplitude possible for the lifetime of 1 year of continuous operation?
Determine the coefficient of kinetic friction between the snow and the skis Neglect wind resistance.
assume that the amount of heat generated in the furnace above was used to heat helium to 600oc. an engine operating in
A large rocket engine delivers hydrogen at 1500°C and 3 MPa to a nozzle with an exit pressure equal to the ambient pressure of 54 kPa. If the thrust of the rocket is 2 MN what is the exit velocity and mass flow rate of hydrogen? (use k = 1.41 and ..
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