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A solid wood door 0.60 m wide is hung in a metal door way at 0.0°C by a clearance of 1.8 mm on the side. If the linear coefficient of expansion of the wood is 6.0 X10-5(C°)-1, at what temperature would the door begin to touch the side of the doorway? Suppose that the metal doorway does not expand significantly.
The rechargeable batteries for a laptop computer need a much smaller voltage than what a wall socket provides. What is the current coming from the wall socket
a solenoid is made of 283 turns of wire wrapped around a hollow cylinder of radius 1.30 cm and length 6.78 cm. what is
What is the magnifying power of an astronomical telescope consisting of a reflecting mirror whose radius of curvature is 7 m, and an eyepiece whose focal length is 25 mm
Suppose a modern power plant has a 1.00-GW electric power output at 500 V. It is stepped up to a transmission voltage of 750 kV in a series of five identical transformers. What is the current in the high voltage delivery lines
A 215-gram sample of a metal is heated to 330oC and then is plunged into a 105-gram aluminum calorimeter cup containing 165 gram of water and a 17-gram glass thermometer at 12.5oC. Find the specific heat of the metal
If a Space Station is in a circular orbit 630 km above thesurface, what is its orbital velocity in metres per second
A weight of 40.0 N is suspended from aspring that has a force constant of 190 N/m. Determine the maximum value of the driving force
find out the magnitude of their acceleration. If the blocks move determine the magnitude of the tension in the string. If the blocks do not move determine the sum of magnitude of the forces of friction acting on the blocks. Show all the work.
a 0.75-mw laser emits a narrow beam of light that enters the eye as shown in the figure.a how much energy is absorbed
question a rotating wheel requires2.90s to rotate through 37.0 revolutions. its angular speed at the end of the2.90s
The filament in an incandescent light bulb is made fromtungsten. The light bulb is plugged into a 60 V outlet and draws a current of 1.12 A. how long must the wire be
A stream of water sprays like a fountain vertically from asmall hole in a pipe, reaching a height of 2.5 m. what is the gauge water pressure in the pipe
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