A tight uniform string with a length of 180m is tied down
A tight uniform string with a length of 1.80m is tied down at both ends and placed under a tension of 100N/m . When it vibrates in its third harmonic, the sound given off has a frequency of 75.0Hz. What is the mass of the string?
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A ball is thrown horizontally from the top of a 60.0-m building and lands 100.0 m from the base of the building. Ignore air resistance. What must have been the initial horizontal component of the velocity
A point charge of +Q is placed at the center of a square and asecond point charge of -Q is placed at the upper left corner. It isobserved that an electrostatic force of 2.0 N acts on the positivecharge at the center.
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A tight uniform string with a length of 1.80m is tied down at both ends and placed under a tension of 100N/m. What is the mass of the string
Air bags in automobiles inflate when sodium azide, NaN3, rapidly decomposses to its component elements: 2NaN3(s)-----2Na(s)+3N2(g). a)how many moles of N2 are formed by the decomposition of 2.50 moles of NaN3
submarine on the ocean surface receives a sonar echo indicating an underwater object. What is the object's depth
The firm has a pre-tax cost of debt of 8.6 percent and a cost of equity of 13.7 percent. The debt-equity ratio is .0.65 and the tax rate is 35 percent. What is the net present value of the project?
Given the electric field E= ar (18/r2)(V/m), find the electric potential of point A with respect topoint B where A is at +2m and B is at -4m on the z-axis.
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