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A wave whose wavelength is 0.064 m is traveling down a 732 m long wire whose total mass is 25.7 kg. The wire is under a tension of 2965 N.
(a) Determine the velocity of the wave on the wire.
(b) Determine the frequency of this wave.
Nichrome wire of cross-sectional radius 0.780 mm is to be used in winding a heating coil. find the length (in meters) of wire needed to wind the coil
An astronaut in a satellite says she can just barely resolve two point sources on the Earth, 110km below. Assume λ=540nm, and the pupil diameter of the astronaut's eye to be 5.20mm.
A freezer has a coefficient of performance of 2.40. The freezer is to convert 1.98kg of water at 26.0 oC to 1.98kg of ice at -5.00 oC in 1 hour. How much wasted heat is rejected to the room in which the freezer sits
An engineer is developing an electric water heater to provide a continuous ("on demand") supply of hot water. What is the power at which the heater operates
A firm wants to determine the amount of frictional torque in their current line of grindstones, find the frictional torque exerted on the grindstone
a thin glass (n = 1.50) converging lens for which the radii of curvature are R1 = 15.0 cm and R2 = -12.0 cm. Determine the area of the image
The non-constant angular acceleration of a wheel is given by a(t)=At. A=6 radians/s^3. calculate the instantaneous angular acceleration at t=1.50 seconds
A highway is to be built between two towns, one of which lies 36.0 km south and 88.0 km west of the other. What is the shortest length of highway that can be built between the two towns, and at what angle would this highway be directed? length km..
An undersea research chamber is spherical with an external diameter of 3.90m . The mass of the chamber, when occupied, is 30800kg. What is the buoyant force on the chamber
A 3-MOhms resistor is connected in series with a 2 micro Farrad capacitor and a 6.0 V battery of negligible internal resistance
To get up on the roof, a person (mass 70.0 kg) places a 6.00-m aluminum ladder (mass 10.0 kg) against the house on a concrete pad with the base of the ladder 2.00 m from the house. calculate the magnitudes of the forces on the ladder
question1two blocks are linked by a light string that passes over a frictionless pulley. the block of mass 9.84 kg lies
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