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A tuning fork generates sound waves by a frequency of 248 Hz. The waves travel in opposite directions along a hallway, are reflected by walls, and return. The hallway is 46.0 m long and the tuning fork is located 14.0 m from one end. What is the phase dissimilarity between the reflected waves when they meet at the tuning fork? The speed of sound in air is 343 m/s.
0.60mol of argon gas is admitted to an evacuated 70cm3 container at 10 ?C. The gas then undergoes an isochoric heating to a temperature of 500 ?C. compute the final pressure of the gas
Suppose an astronomical telescope is being designed to have an angular magnification of 31.6. If the focal length of the objective lens being used is 98.0 cm, find the required focal length of the eyepiece and the distance between the two lenses f..
a 20-kg mass is attached to a spring. if the frequency of the simple harmonic motion is 2pi cycles what is the spring
Write an expression for a harmonic wave that has an amplitude of 18cm, a wavelength of 2.0m, and propagates to the left at 15 m/s
It is 156 cm from your eyes to your toes. You're standing 212 cm in front of a tall mirror. How far is it from your eyes to the image of your toes
A 50.0 kg box is resting on a horizontal floor. A force of 250 N directed at an angle of 26.0 degrees below the horizontal is applied to the box. What is the minimun coeffiecient of static friction
An elevator is traveling upward at constant speed of 2.4 m/s. After 2.4 s has passed, the distance between the object and the elevator is
An intern pushes a 72 kg patient on a 15 kg gurney, producing an acceleration of 0.60 m/s2. How much work does the intern do by pushing the patient and gurney through a distance of 2.5 m
Calculate, using Newton's law of gravity, the size of the force of attraction between the Earth and a mass of 5.0kg on the Earth. Data: Distance to the center of Earth from thesurface = 6370 km. Mass of Earth = 5.98*1024 kg.
The position of a 2.6 kg mass is given by x = (2t^3-4t^2), where t is in seconds. What is the net horizontal force on the mass
It then increases it's speed at the rate of 1.55 m/s2. Find out the magnitude of acceleration under these new conditions. Answer in units m/s2.
In a laboratory experiment, a Physics Major is given a stopwatch. a meterstick, and a simple pendulum, what value will he obtain for the acceleration due to gravity
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