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Two wires are anchored at both ends. Wire 1 has a mass of 147 gram and a length of 9.2 meter. Wire 2 has a mass of 50 g, a length of 20 meter, and a tension of 113 Newton. Determine what must be the tension in Wire 1 if its third harmonic is to equal the first overtone of Wire 2?
At a distance of 60.0 km from a radio station antenna the electric-field amplitude is 7.60×10?2 V/m. what is the total power output of the station
A string is stretched between fixed supports separated by 75.0 cm. It is observed to have resonant frequencies of 288.0 and 384.0 Hz, What is the lowest resonant frequency for this string
A garden plot must have a central planting area of length 13 m and width 8 m. There is to be a sidewalk around its edge of width w. If the total area, planting area plus sidewalk area, is 150 m^2, what is the sidewalk width w in meters.
A transmission line is used to send power over a distance of 4.0 kilometer through a copper power line of 1.0Ω/km. Find how much power is lost in the transmission line
Two circular loops are centered on the x-axis parallel to the yz-plane. The smaller loop is stationary with radius r=0.02m, and resistance R=0.003Ohms. The larger loop has radius, s=0.2m, carries current I=1.5A, and moves towards the smaller loop ..
An airplane pilot wishes to fly due west. A wind of 72.0 km/h is blowing toward the south, What is the speed of the plane over the ground
The activity (decays per second) of a certain radionuclide is observed to decrease by 87.5% in 30 hours. What is the half life T(1/2) of the radionuclide
A total charge of 7.05 10-6 C is distributed on two different small metal spheres. How much charge is on each sphere
a spring with a mass on the end of it hangs in equilibrium a distance of 0.4200m above the floor. the mass is pulled
A uniform door weighs 46-N and is 0.9 m wide and 2.5 m high. What is the magnitude of the torque because of the door's own weight about a horizontal axis perpendicular to the door and passing through a corner.
A sledge loaded with bricks has a total mass of 18.4 kg and is pulled at constant speed by a rope inclined at 19.2° above the horizontal. What is the mechanical energy lost due to friction
A mad doctor believes that baldness can be cured by warming the scalp with sound waves. His patients sit underneath the Bald-o-Matic loudspeakers, how many minutes should each therapy session last
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