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A wire with mass 55.0g is stretched so that its ends are tied down at points 96.0cm apart. The wire vibrates in its fundamental mode with frequency 65.0Hz and with an amplitude of 0.300cm at the antinodes.
1. What is the speed of propagation of transverse waves in the wire?
2. Compute the tension in the wire.
A uniformly charged sphere has a potential on its surface of 460 V. At a radial distance of 24 cm from this surface, the potential is 190 V. What is the radius of the sphere
A m = 1.30-kg block is pushed against a spring with negligible mass and force constant k = 580 N/m, How far does the object travel up the incline before starting to slide back down
A skier, weighing 453 n, is skiing down a slope that has an incline of 29 degrees above the horizontal. Compute the acceleration of the skier (coefficient of kinetic friction between the skis and snow is 0.21)
Calculate the torque required to accelerate the Earth in3days from rest to its present angular speed about its axis. Calculate the average power required
You lower a weight of metal in a beaker filled with water standing on a scale. When metal weight hangs above the water weighs 179.6 grams, What is the metal weights density
A person can just see this bulb from a distance of 800m, with the pupil diameter dialated to 7.5mm, how many photons per second are entering the pupil
What will transform in terms of the observable properties of the black hole as this process continues
During normal beating, the heart creates a maximum 3.50 mV potential across 0.290 m of a person's chest, What is the wavelength of the electromagnetic wave
1. List real-life communications systems that use the wideband modulations. 2. Explain the reasons in which binary RF digital modulations are more power efficient than M-ary binary digital modulations.
You are investigating an accident where a 1500 kg car that was parked without its emergency brake on rolled down a hill with a slope of 8 degrees a distance of 150 m, How fast was the car moving when it hit the van
A neutron star is the remnant left after certain supernovae (explosions of giant stars). What is a typical neutron star density in g/cm3
Explain by how much upward force does each support exert on the beam? (Enter your answer for support 1 first, followed by your answer for support 2.)
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