Value of mass attached to a spring
A mass m at the end of a spring vibrates with a frequency of 0.92 Hz. When an additional 609 g mass is added to m, the frequency is 0.58 Hz. What is the value of m?
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A 1050 hot-rolled steel of diameter 300mm has an ultimate tensile strength of S_ut=724MPa. Determine the un-modified endurance limit of the steel member from a rotating beam test.
Two charges attract each other with a force of 2.5 N. What will be the force if the distance between them is reduced to one-ninth of its original value?
Calculate the percentage volume change that would occur if a material were to be transformed from FCC to BCC. Assume that atomic diameters are fixed and the atoms pack together as rigid sphere.
To move a differential drive robot forward at 1 ft/sec, how fast must each wheel move? If the radius of each wheel is 1 foot, how many rotations per second must each wheel spin?
If the cylinder contains 4.6 lbm of refrigerant, find the final temperature (in oF) and the work done (in Btu). This is a closed system.
The combustion of methane gas (CH4) with air leads to the following volumetric analysis of the product gases on a dry basis: 9.52 % CO2, 0.28 % CO and 3.57 % O2. Determine The moles of air used per mole of fuel and the percent excess air used.
A 0.45 kg mass vibrates according to the equation x = 0.49 cos 8.45t, where x is in meters, and t is in seconds. (a) Determine the amplitude. (b) Determine the frequency. (c) Determine the total energy.
Ethane gas is burned in a steady-flow process with 30% excess air, both of which enter separately at 25 0 C and 1 atm. Assume the reaction goes to completion, and the products leave as a mixture at 1 atm and the environmental temperature of 25 0C.
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Explain the risks of not reporting the results of your forensic assessment findings accurately. Provide specific examples.
Read "The Effect of Tart Cherry Juice Compared to a Sports Drink and Cycling Exercise Performance, Substrate Metabolism, and Recovery" from University Library
Identify and analyze one resource that provides information regarding services for dealing with and treating substance use and abuse in youth or adolescence.
Discuss how culture may influence one's perceptions. Provide an example of how culture may impact the interaction between a patient/client
Write an essay describing your achievement of a goal and your friends or family member's achievement of a goal using motivational theory
Pets can have a therapeutic effect on people; they seem to have the power to calm the anxious and cheer the depressed. Give three reasons
Review Chapter 12 and consider how your culture has impacted your worldview and personality. Pay particular attention to the section on characteristics of Cult