A 50hp single phase motor operates from a 480v 60hz supply
A 50HP single phase motor operates from a 480V, 60HZ supply. When delivering full rated power the motor efficiency is 89% and the power factor is 0.78 lagging. Determine the full load current.(Hint: 746W=1HP)
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how does the attractive force that the nucleus exerts on an electron change with the principal energy level of the electron?
How does the attractive force that the nucleus exerts on an electron change with the principal energy level of the electron
A 2.29 g sample of ascorbic acid is titrated with a 0.64 M red dye. What volume of red dye is required to reach the endpoint?
an amplifier has three amplification stages and a 1-dB attenuator in cascade. Assuming that all the impedances are properly matched, what is the overall gain if the amplification factors are 5, 10, and 6 dB
A large reel of paper installed at the end of a paper machine. d1 = 2m, J = 1000kgm^2, n1 = 60rpm, Tension on Paper = 1000N. Calculate: a. Motor power when the reel turns at 60rpm. b. Torque to increase speed to 120 rpm in 10 seconds
Write the reaction equation showing structural formulas for the formation of an ester from 2-methyl-1-butanol and acetic acid?
Consider the by products that might be formed by E1 and/or E2 processes in the reaction of 2-methyl-2-butanol with HCl. a. Provide structures for these products
The ka of acetic acid is 1.8 x 10^-5. Please show the calculations for the preparation of 100 mL of an acetic acid - sodium acetate pH 5.0 buffer using .10 M acetic acid.
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Researchers are obligated to make sure that participants are given complete information about the study; and the participant is cognitively able
Each discipline has created a large number of concepts that constitute its technical jargon or terminology. Introductory disciplinary textbooks are excellent
Question: Which information source type would be an example of a secondary source? Group of answer choices
This assertion is not valid because this program uses an A-B design in which the teacher is simply conducting a visual analysis of the graphed data
Which brain network is primarily responsible for directing attention to goal-directed tasks, detecting salient stimuli, and guiding voluntary actions?
You are the director of a moderately sized (100 child capacity) early childhood center in a suburban area. You work closely with your lead teachers
The practicum student will demonstrate the ability to participate in children's play to support, facilitate and /or extend the play using appropriate strategies