What is the average angular velocity of the reel in rpm
A four foot diameter reel of wire pays out 250 feet of conductor wire in two minutes. What is the average angular velocity of the reel in rpm. Provide step by step explanations.
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A fire hose 3.51 cm in diameter is capable of spraying water at a velocity of 24.7 m/s. For a continuous horizontal flow of water, what horizontal force should a fireman exert on the hose to keep it stationary?
The system is released from rest with the angle theta = 90 degrees. Determine theta dot when theta reaches 60 degrees.
The performance of a device is defined as the ratio of the desired output to the required input, and this definition can be extended to nontechnical fields.
A small leak develops in her propulsion system and 7.79 g of gas are ejected each second into space with a speed of 797 m/s. She notices the leak 5.91 s after it starts. How much will the gas leak have caused her to move from her original location
A neutron passes two points 1.0 meter apart in 1.0 microsecond. Calculate the neutron's energy in units of both joules (J), ergs and electron volts. Please show all work.
Display the miles per pound of fuel M against the air speed A in appropriate columns. What are the maximum miles per pound of fuel?
A sodium ion (NA+) is neutralized by capturing a 0.5 eV electron. What is the wavelength of the emitted radiation if the ionization potential of sodium (Na) is 5.41 volts? Please show your work.
A jack having a pitch of 1/2 inch has a lever, the outer end of which passes through a circle 9 feet in circumference. What force can be raised by an effort of 20 pounds?
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Why is it generally unnecessary to calculate interobserver agreement (IOA) for fully automated measures like lever presses in a rat chamber?
Question: A researcher uses weight loss over six weeks as a proxy for food acceptance in a feeding intervention.
Rewrite in 3rd person. The Substance Abuse and Mental Health Services Administration (SAMHSA) states that approximately 7.9 million adults
Problem: Behaviorists do not believe personality characteristics are based on genetics or inborn predispositions.
Problem: In an A-B-A design, a therapist uses behavioral skills training to teach a child to tie shoelaces
For my research topic, I would like to study PTSD in veterans focusing on the causes, impacts and treatments as well as processing grief
Post-Traumatic Stress Disorder (PTSD) and Adjustment Disorder are two disorders that are related to trauma and stressor-related disorders