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A string with a mass m = 9.00 g and a length L = 4.00 m has one end attached to a wall; the other end is draped over a small, fixed pulley a distance d = 3.00 m from the wall and attached to a hanging object with a mass M = 8.00 kg as in the figure below. If the horizontal part of the string is plucked, what is the fundamental frequency of its vibration?
how high does it rise above the point of release. guess the speed of the car just before braking.
The four tires of an automobile are inflated to a gauge pressure of 1.7 105 Pa. Determine the weight of the automobile
Calculate the number of coulombs of positive charge in 285 cm3 of (neutral) water. (Hint: A hydrogen atom contains one proton; an oxygen atom contains eight protons.)
A jet pilot takes his aircraft in a vertical loop, as seen in figure below. If the jet is moving at a speed of 1450 km/hr at the lowest point of the loop, Determine the minimum radius of the circle
A child's top is held in place, upright on a frictionless surface. The axle has a radius of r= 2.21 mm. Two strings are wrapped around the axle, How much angular momentum does the top acquire
A generator supplies 140 V to a transformer's primary coil, which has 70 turns. If the secondary coil has 610 turns, what is the secondary voltage
If the top coil were rotated 90 degrees about a vertical axis through the center of the coil so it is perpendicular to the balance coil, how would the results of the experiment change
A 16-QAM modulator with 2 voltage levels uses maps the symbols on equal phases on both voltage levels. Draw the signal space (constellation) for your assumed phase angles.
A cat dozes on a stationary merry-go-round, at a radius of 6.0 m from the center of the ride. What is the least coefficient of static friction between the cat and the merry-go-round
To make a simple microscope a student places two converging lenses of +20 D at opposite ends of a 34 cm long tube. How far should an object be placed from the objective lens
An electron moving in one dimension is confined between two walls seperated by a distance L = 10^-10 m. What is the average force that the electron exerts on the walls
In an LC circuit, the amplitude of current oscillations is 2A and the amplitude of the voltage oscillation across the capacitor is 3V. If the capacitance is 5muF, what is the inductance?
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