Find out the direction cosines of a vector
Find the angle between the position vectors to the points (3, -4, 0) and (-2, 1, 0), and find the direction cosines of a vector perpendicular to both.
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A household refrigerator with a COP of 1.2 removes heat from the refrigerated space at a rate of 60 kJ/min. Determine (a) the electric power consumed by the refrigerator and (b) the rate of heat transfer the the kitchen air. Answers: (a) 0.83 kW (
A manufacturing company is modernizing its operations for which it is planning to upgrade a manual assembly operation with a robotic cell that will work around the clock.
The arm masses are 4 kg located 0.25 m from the shoulder. Draw the shoulder joint free body diagram and determine the reaction forces and moments.
A 3-stroke cycle is executed in a closed system with 1 kg of air, and it consists of the following three processes: (a) Isentropic compression from 100 kPa, 300 K to 800 kPa. (b) p=constant heat addition in amount of 2000 kJ. (c) p=cV heat rejecti
1kg of water that is initially at 90 degree celsius with a quality of 10 percent occupies a (linear) spring-loaded piston-cylinder device. Heating raises the pressure to 800kPa and temperature to 250 degree celsius.
Determine The work required to compress the nitrogen reversibly back to the initial state. Assume that nitrogen behaves as an ideal gas.
Establish their reciprocal vectors and hence express the vectors p = 3i - 2j + k, q = i + 4j, and r = -2i + j + k in terms of the base vectors a, b, and c.
What are the main parameters of voltage source and their physical meaning . How can we determine the voltage source parameter experimentally.
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Evidence of Cultural Impact: The cultural impact of economic factors can be observed through specific practices and initiatives within the NSHA:
Mrs Robinson is unconscious. When performing eye care as part of hygiene, which of the following interventions should be performed by the nurse Selec
Problem: Discuss some ethical issues that limit access and quality of care.
Question: Which one of the following is NOT present in tetralogy of Fallot?
Problem: The charge nurse is observing a staff nurse complete an incident report after a client fell on their way to rest room.
Winslow's definition of Public Health from the 1920's marks a significant recognition of the principles of health promotion in modern history.
Point of use cleaning of used instruments MUST be performed immediately following the procedure in the following location