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A 1.0m--tall vertical tube is filled with 20c water. A tuning fork vibrating at 575hz is held just over the top of the tube as the water is slowly drained from the bottom. At what water heights, measured from the bottom of the tube, will there be a standing wave in the tube above the water?
An engine that operates at half itstheoretical (Carnot) efficiency operates between 525?C and280?C while producing work at the rate of 850 kW. How much heat is wasted per hour
A charge of -4.02 mC is fixed inplace. From a horizontal distance of 0.958 m, a particle of mass9.27 x 10-5kg, How far does the particle travel before its speed is zero
Show that the sun is not at rest in the center of the solar system by calculating the distance from the Sun's center to the center of mass of the Sun-Jupiter system
A stick of mass F is lying on a frictionless surface. A small ball of mass G and velocity v collides with the stick in the center of the stick a right angle to the rod. What is the angular velocity around the axis of rotation after this collision
Steam is expanded from 12.5 MPa and 900 degrees Celsius to 0.30 MPa, 400 degrees Celsius in an adiabatic turbine. Determine the power output by this turbine
Due to concerns about the salt water content in the estuary, the discharge in the channel needs to be varied to mimic tidal effects. This means that for 12 hours a day, the channel needs to carry a flow of 8m3.s1, and for the other 12 hours the fl..
a resonant circuit in a radio receiver is tuned to a certain station when the inductor has a value of .250 h and the
A gymnast with mass m1 = 43.0 kg is on a balance beam that sits on (but is not attached to) two supports. What is the force the left support exerts on the beam
What is the frequency heard by a person driving 79.17 km/h toward a blowing factory whistle (f = 506.77 Hz) is the air temperature is 21.5 oC
An archaeologist found a fragment bone of animal. It has an activity per gram of carbon that is 25% that of an equivalent sample of carbon from a similar living animal
A child loses his balloon, which rises slowly into the sky. If the balloon is 23 cm in diameter as the child loses it, what is its diameter at the following altitudes? Assume that the balloon is very flexible and so surface tension could be neglec..
In a house the temperature at the surface of a window is 25 degreescelsius. The temperature outside at the window surface is 5.0degrees celsius. What is the temperature at the outside window surface
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