What is the wavelength of the sound
A tuning fork vibrates at a frequency of 256 Hz. What is the wavelength of the sound coming from the fork when the air temperature is a) 0oC and b) 20oC
a) 1.29 meters
b) 1.34 meters
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An engine of mass 180 kg is to be supported on four helical springs. When the engine speed is 900 rpm, there is a primary vertical periodic disturbing force of maximum value 300 N due to the unbalanced reciprocating weights.
Sketch Mohr's circle for this state of stress and determine the normal stress on a plane inclined at an angle µ to the principal plane 1. Hence find the range of values of µ for which the normal stress is tensile.
The combined mass is shot horizontally off the cliff. With what speed does the mass hit the ground at the bottom of the cliff?
Calculate the amplitude of the oscillation which may be allowed if the maximum permissible intensity of shearing stress in the wire is 140 MN/m2
Neglecting kinetic and potential energy effects, determine: (a) The amount of heat transfer, in kJ and (b) The mass of vapor that escapes, in kg.
When x = 10 ft, the crate has a speed of 20 ft/s which increasing at 6 ft/s^2. Determine the dirction of the crate's velocity and the magnitude of the crate's acceleration at this instant.
Air within a piston-cylinder assembly, initially at 175psi, 660oF, undergoes an isentropic expansion to 20 psi. What is the final temperature of the air?
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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