Determine the reactions of the surfaces on the ball
The 2-kg ball rests between the 45 degree grooves A and B of the 10 degree inlcine and against a vertical wall at C. if all three surfaces of contact are smooth, determine the reactions of the surfaces on the ball.
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An air compressor takes in air at 100kPa, 17°C and delivers it at 1 MPa, 600K to a constant pressure cooler which it exits at 300K. Find the work performed and heat transfer, both (kJ/kg).
In a 150 MW steam turbine unit operating on an enhanced Rankine cycle, steam is delivered from the boiler to the high pressure turbine at 15 MPa and 500° C.
A particle (m = 3.0 µg, q = 5.0 µC) moves in a uniform magnetic field given by (60j)mT. At t = 0 the velocity of the particle is equal to (30j - 40k) m/s. The subsequent path of the particle is:
Calculate the composition of both elements, in mass percent, if the alloy consists of 87 atom percent Ag and 13 atom percent Cu.
The intensity of a laser beam is 450 W/m^2. What is the rms value of the electric field of this laser beam? (careful-rms, not peak)
At the channel outlet the velocity distribution is given by: (u/umax) = 1 - (y/h)^2, where y is measured from the centerline of the channel. Determine the exit centerline velocity, umax.
What is the initial outlay associated with this project? What are the annual after-tax cash flows associated with this project for years 1 through 9?
The initial density of the air in the tank is 0.02 slug/ft^3. The total tank volume is 20 ft^3 and the exit area is 0.4 ft^2. Find the initial rate of change of density in the tank.
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Drawing from the information you read about in Chapter 2 "Evolutionary Antecedents of Motivation", develop an original Discussion question to post for the class
Question: According to Maslow, which are the needs that refer to the desire to be respected by one's peers, feel important
What factors did you use to determine Dr. Bloom's testimony? Briefly make notes on your opinion of Dr. Bloom and his testimony.
Multivariate analysis involves assessing multiple variables (more than two) to identify any possible relationship between them.
Review the Zastrow et al. chapter on psychological aspects of later adulthood, focusing on key life events and on theories of successful aging.
Define "sexual deviance" in your own words. Describe different forms of sexual deviance that exist.
What does it mean to age "successfully"? Though the concept of success is relative, theories of successful aging explain factors that support individuals