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An organ pipe is tuned to emit a frequency of 196 hz. When it and the g string of a violin are sounded together, ten beats are heard in a time of precisely 8 seconds. The beats become slower as the violin string is slowly tightened. What was the original frequency of the violin string?
an automobile is moving at 90 kmh and ascends a hill of gradient 1 in 25 vertical rise of 1 unit for horizontal
A wave on a string has an amplitude of 0.32 m, a frequency of 120 Hz, and a wavelength of 1.4 meters. What is the maximum speed of a point of the string
a child rolls a 0.685kg basketball up a long ramp. the basketball can be considered a thin walled hollow sphere. find the maximum vertical height increase of the ball
A 0.250-kg toy is undergoing SHM on theend of a horizontal spring with force constant k =200 N/m. What is the total energy of the object at any point of its motion
the index of refraction of the core of a piece of fiber optic cable is 1.76. if the index of the surrounding cladding
A metallic sphere has a charge of +3.7 nC. A negatively charged rod has a charge of -6.0 nC. When the rod touches the sphere, 7.2 109 electrons are transferred. What are the charges of the sphere and the rod now?
an unstable particle of mass m decays into two identical particles each of mass m. obtain an expression for the
a 10kg block is sitting motionless next to a spring that has a spring constant of 500 N/m. you push the block against the spring, compressing the spring. find the max distance that the block travels up the ramp
Estimate is in constant FY 1995 dollars, while the SPANIEL program cost estimate is in constant FY 1999 dollars. Which one of the following is the most valid way of comparing the costs of these two programs?
q1. a gadget of mass 17.52kg floats in space without motion. because of some internal malfunction the gadget violently
A college campus features a large fountain surrounded by a circularpool. If the difference in linear speed between the students is0.23 m/s, what is the radius of the fountain
a cylindrical tube oriented vertically on earths surface closed at the bottom and open at the top height 100 m cross
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