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A resonance tube for a pipe-organ is closed at the bottom by a speaker (pressure antinode) and open to the atmosphere at the top (pressure node).
How long should the tube be built so that its fundamental resonant frequency is 64 Hz (lowest C)? Assume the speed of sound is 340 m/s.
What are the next two harmonic frequencies above the fundamental frequency that would create resonance in the same tube?
What length tubes (also closed at one end) would have as their fundamental frequencies 128 Hz, 192 Hz, and 256 Hz?
A planet of mass m = 1.35 × 10^24 kg is orbiting in a circular path a star of mass M = 7.35 × 10^29 kg. What is the orbital period (in earth days) of the planet T-planet
Louise spikes a volleyball during a game. At the instant the volleyball leaves her hand, How long will it take for the ball to strike the floor
A gas expands while 502 J of energy is added to it as heat. The expanding gas does 422 J of work on its surroundings.
A uranium atom is ionized seven times, losing seven electrons in the process. what is the strength of the magnetic field
During a snowball fight, two snowballs travelling towards each other collide head-on. The first is moving east at a speed of 15.3 m/s and has a mass of 0.450 kg, What is the mass of the second snowball
how long is the eagle in the air?
You push your physics book 1.70 m along a horizontal tabletop with a horizontal push of 2.60 N while the opposing force of friction 0.750 N. How much work does gravity do on the book
What is the wavelength of an 102.1 FM radio station and What is the wavelength of an 1310 AM radio station
A student decides to move the box of books into her dormitory room by pulling on a rope attached to the box. She pulls with a force of 168 N at an angle of 30.0° above the horizontal. The box has a mass of 21.0 kg, and the coefficient of kinetic f..
A bullet is fired through a board 5.0 cm thick in such a way that the bullet's line of motion is perpendicular to the face of the board. Find the total time the bullet is in contact with the board
A violinist is tuning her instrument to concert A (440 Hz). She plays the note while listening to an electronically generated tone of exactly that frequency and hears a beat of frequency 5.00 Hz, what was the frequency of her violin when she heard ..
A train at rest emits a sound at a frequency of 1045 Hz. An observer in a car travels away from the sound source at a speed of 37 m/s.What is the frequency heard by the observer . What must be the result have been for the horizontal speed.
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