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
Expected delivery within 24 Hours
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?
1957703
Questions Asked
3,689
Active Tutors
1432450
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
A friend of yours, who is a nurse, is a patient at the facility you work at. He recently had some diagnostic testing done and is anxious about the results.
1. What additional information should you know about Carlos? 2. Which diagnostic tests should you periodically monitor
Research and analyze a public figure's social media conflict and create a presentation that tells their story and explains social media's impact on the conflict
Describe at least three reasons for conflict within an institution or organization. How might individual differences and perceptions contribute to the conflict?
Describe your clinical experience this week in the pediatric clinic as a student family nurse practitioner.
Identify a health problem or need for health promotion for a particular stage in the life span of a population from a specific culture in your area.
Describe the differences between a board of nursing and a professional nurse association. Describe the board for your specific region/area.