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A guitar string, 2.50 meters long has a mass of 0.458 grams. If a tension of 276N is put on the string, what will the speed of sound in the string be? When the guitar is strung, it is 0.576 m from the bridge to the last fret ( from node to node). What will be the longest wavelength you can play on the string? What frequency will the string play at?
two stationary positive point charges charge 1 of magnitude 3.15nc and charge 2 of magnitude 1.75nc are separated by a
The surface charge density on an infinite charged plane is -2.3 10-6 C/m2. How far does the proton travel before reaching its turning point
The magnitude of each force is 204 N, the force on the right is applied at the angle 29 and the mass of the block is 12kg. The coefficient of friction is 0.138. The acceleration of gravity is 9.8 m/s2. What is the magnitude of the resulting accelerat..
a golf ball rolls off a horizontal cliff with an initial speed of 13.0 ms. the ball falls a vertical distance of 13.0 m
A nuclear power plant operates at 76% of its maximum theoretical Carnot efficiency between temperatures of 630C and 360C. how much exhaust heat is discharged per hour
A rigid steel frame above the street intersection supports standard traffic lights, each of that is hinged to hang immediately below frame. A gust of wind sets light swinging in a vertical plane. Find out order of magnitude of its period. Situatio..
A circus performer stretches a tightrope between two towers. He strikes one end of the rope and sends a wave along it toward the other tower. find the tension in the tightrope
A tank with vertical walls, 2m wide and 2m long and 2.5 m high, is filled with 4800 litres of water (density 1000 kg/m3) and 3200 litres of light oil (density 900 kg/m3). compute the magnitude and location of the resultant force on each of the ver..
A fully charged capacitor with a voltage of 120 V is discharged through a resistor. At this time, what is the voltage across the resistor
Two 0.40kg soccer balls collide elastically in a head-on collision. The first ball starts at rest, and the second ball has a velocity of 3.5 m/s. What is the final velocity of the first ball
three liquids that will not mix are poured into a cylindrical container. the volumes and densities of the liquids are
a 28.0 bulb is connected across the terminals of a 12.0- battery having 4.50 of internal resistance.what percentage of
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