Hights of male adults are normally distributed with mean
The hights of male adults are normally distributedwith mean 1.7m and standard deviation 0.2m. In a population of 400 male adults, how many would you expect to have a hight between 1.4m and 1.6m?
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Determine the force in each member of the space truss and state if the members are in tension or compression. The truss is supported by ball and socket joints A, B and E. Set F=-200i+400j
Titanium (w=6.94x10^-19J) and silicon (w=7.77x10^-19J) surfaces are irradiated with UV radiation with a wavelength of 227nm. What is the wavelength of the electrons emitted by the titanium surface?
An air-standard Otto cycle operates with 520 degrees R and 14.7 psia at the beginning of the compression portion of the cycle. If 300 BTU/lbm is added as heat and the maximum temperature of the cycle is 2900 degrees Rankine, determine the efficie
A metal cube with 40cm side is heated to 400C. it is placed in a room at 25C. Assume it behaves like a black body. Calculate the net power of cube due to radiation.
An air-standard Otto cycle operates with a compression ratio of 8. At the start of the compression stroke, the pressure is 15 psia and the temperature is 80 degrees F. the maximum pressure in the cycle is 550 psia.
Determine (a) the final pressure and the quality (if mixture), (b) the boundary work, (c) the amount of heat transfer when the piston first hits the stops, (d) and the total heat transfer.
A rocket explodes into three pieces of equal mass. Immediately after the explosion their velocities are (120 m/s, south), (240 m/s, north) and (120 m/s east). What was the velocity of the rocket's center of mass before the explosion?
An air-standard Diesel cycle is operated with a compression ratio odf 20. The heat input is 300 Btu/lbm. At the beginning of the compression stroke, the conditions are 15 psia and 70 degrees F.
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You are a social worker working with foster children. You are making a home visit to Katie, age nine, and her foster family.
Which of the following is a behavioral indicator related to Family? A) Developing school readiness and transition strategies B) Developing collaborative
Lifespan psychologists are unlikely to investigate both changes as well as consistencies that exist in different individuals'
What is another way to say ". It is important to ensure that the youth understand what the study involves, what their participation entails
Question: Identify a true statement about validity as applied to a test. Multiple choice question
Identify and discuss three ethical guidelines that are important to consider when designing an 8-week group for adolescents who are referred
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