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1. Refrigerant-22 enters a turbine at 300 psi, 280°F, 2000 ft3/hr. The exit is at 15 psi, 10°F.
a. Find the mass flow rate (lbm/s).
b. Find the power generated by the turbine (HP). 1 HP = 2545 Btu/hr.
A 0.75m diameter solid sphere may be rotated about an axis through its center by a torque of 11.5m*N which accelerates it uniformly from rest through a total of 180 revolutions in 16.0 s.What is the mass of the sphere.
An archer shoots an arrow horizontally at a target 17m away. The arrow is aimed straight at the center of the target, but it hits 59cm lower.
How fast is the mass moving at the top of its new path (directly above the peg)?
A mass m = 6.100kg is suspended from a string of length L = 1.310m. What is the angle theta between the string and the vertical
A 3.5-kg block of iron (c=0.11 kcal/kgoC) that has been brought to a temperature of 1,063oC is placed on top of a 2.5-kg block of ice (c=0.5 kcal/kgoC) that has been cooled to -50oC
A Styrofoam box has a surface area of 0.79 m2 and a wall thickness of 2.0 cm. determine the thermal conductivity of the Styrofoam.
How much work is done by the horizontal force F_p = 150 N on the 18 kg block of the figure when the force pushes the block 5.5 m up along the 32 degree frictionless incline
At rest, a car's horn sounds at a frequency of 480 Hz. The horn is sounded while the car is moving down the street. A bicyclist moving in the same direction with one-third the car's speed hears a frequency of 470 Hz. What is the speed of the car?
You need to prepare a 0.187mm-diameter tungsten wire with a resistance of 3.43 ohm. How long must the wire be
An object weighing 335 N in air is immersed in water after being tied to a string connected to a balance. Find the density of the oil
A rock is thrown horizontally with a speed of 16 m/s from a vertical cliff of height 32 m, What is the velocity (magnitude and direction counterclockwise from the +x-axis, which is the initial horizontal direction in which the rock was thrown) of t..
A sinusoidal wave traveling in the positive x-direction has an amplitude of 15cm, a wavelength of 40cm, Write down the wave function for a left traveling wave with the same parameters
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