Determine the speed of sound in air in the pipe
An organ pipe open at both ends is vibrating with n = 3 with a frequency of 769 Hz. The length of the pipe is 0.5 m. Determine the speed of sound (m/s) in air in the pipe.
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During the current year, Jacob, Alicia and Shawn, who are partners in the JAS Company, had average capital balances of $57,000, $49,000 and $64,000.
Calculate the temperature at which a tungsten filament with an emissivity of 0.28 and a surface area of 7.6 × 10-5 m2 will radiate energy at the rate of 30 W in a room where the temperature is 24C.
A standing wave is established in a 89 cm long string fixed at both ends. The string vibrates in 6 segments when driven at 376 Hz. What is the fundamental frequency?
Write down the wave function Ψ(x) for an electron in the n=3 state of a 10-nm wide infinite well with the center of the well being at x=0.
A certain superconducting magnet in the form of a solenoid of length 0.350 m can generate a magnetic field of 8.50 T in its core when its coils carry a current of 65 A. Find the number of turns in the solenoid.
A hoop with a mass of 2.75 kg is rolling without slipping along a horizontal surface with a speed of 4.50 m/s when it starts down a ramp that makes an angle of 25.0° with the horizontal.
Suppose a car is traveling along a straight road at 40 mph. The car then brakes to a stop. Does this violate conservation of momentum? If conservation of momentum is violated, explain how this happens. If conservation of momentum is not violated,
A tungsten target is struck by electrons that have been accelerated from rest through a 29.9-kV potential difference. Find the shortest wavelength of the radiation emitted.
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Which of the following best describes the rationale of those public officials who are promoting the policy referenced in the title of the Texas Tribune article?
Problem: Political messaging and how a policy is framed to one's supporters and to the general public are important.
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Question: Which of the following statements illustrates the impact of the reform era (1900-1920) on US political parties?