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A keg of beer (Löwenbräu, SG = 1.11) has a small pinhole leak in it. The beer sprays vertically into the air to a height of 1.5 m. What is the pressure inside the beer can?
If the sprinkler at A is 1 m from the ground, then scale the necessary measurements from the photo to determine the approximate velocity of the water jet as it flows from the nozzle of the sprinkler
The following table lists temperatures and specific volumes of ammonia vapor at two pressures P= 50 psi P= 60 psi. Using the data provided here, determine by
The arguement of the sine are in radians, and t is in seconds. Determine the acceleration of the particle at theta=31 degrees. The particle starts from theta=0 degrees.
What is the maximum error of the linearly marked thermometer? What other source of error do you need to consider if you are interested in constructing very accurate thermometers?
Determine the transverse component of the peg's acceleration at this instant. b) Determine the radial component of the peg's acceleration at this instant.
Estimate the cost savings due to fewer crashes (assume a cost of $1million per helicopter, assume an average of two people in the helicopter, and remember that helicopter crashes are usually fatal).
How to determine the acceleration of a plane travelling around a circular track when you know its wingspan and constant speed?
What is the viscous force resisting the motion of this sheet if the fluid-fluid interface is at yi= h/2? Plot the variation of this force as the interface position yi varies from 0 to h.
Determine (a) the torque and (b) the power required to rotate the inner cylinder at 180 rev/min. The outer cylinder is fixed. Assume the velocity distribution in the gap to be linear.
How could you determine the average velocity and average acceleration of the elevator as it ascends from A to D? Use numerical values to explain how this can be done.
The barometer reads 76.0 cm Hg. What is the pressure (in psia) in the tank to which the pressure gauge is connected? What is this pressure in kPa?
Calculate the equivelent torque of the motor (T_em) required to accelerate a load of 1.0 kg from rest to a speed of 1 m/s in a time of 4 sec. Assume motor torque to be constant during this interval.
The turbine efficiency is 88%, while the pump efficiency is 80 %. Determine for the cycle the net power developed, in Btu/ h.
Determine the quality of the mixture, the mass of liquid, and the volume of vapor. Comment on the percent taken up by the vapor in the volume.
If the point of landing is 20 ft away, determine the approximate speed at which the bike was traveling just before it left the ground. Neglect the size of the bike.
If the ball falls past him 0.75 s later, determine the velocity at which it was thrown, the velocity of the ball when strickes the ground, and the time of flight.
Taking the water and the air in the room to be closed system, can the system be regarded as a pure substance during the process? After the process is completed?
What will be the change in energy of a metalpart if it takes 1kW power drill one minute to drill a hole? Assume that the metal part does not lose any heat.
The experimental data for the process indicates that PV1.65 = constant. What is the work performed by the expanding gas?
Find the work done if the pressure between the initial and final state is inversely proportional to volume . Please show all of your work.
Find the least time that will take passengers from a stop on the ground floor to a stop at the lobby. Determine the piecewise function that describes velocity during an ascent.
Assuming no change in the kinetic or potential energy of the air, determine how much power is required to drive the compressor(hp).
Determine (a) the inital acceleration of the projectile, (b) the time required for the projectile to penetrate 3.9 in. into the resisting medium.
A proportional control system with a K_p of 5 ft-lbs/deg controls a robot arm that is two feet long. What steady state error would you expect if the robot lifted a 10lb object?