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Aluminum rivets used in airplane construction are made slightlylarger than the rivet holes and cooled by "dry ice" (solid CO2)before being driven. If the diameter of a hole is 4.460 mm , whatshould be the diameter of a rivet at 23.0 °C, if its diameter is toequal that of the hole when the rivet is cooled to -79.5 °C, thetemperature of dry ice? Assume that the expansion coefficient ofaluminum is 2.4×10-5(°C)-1 and remains constant
An object weighs 3300 N. What is the object's mass? An object weighs 3000 lb. What is the object's weight in N? An object weighs 2700 N. What is the object's weight in lb? The mass of a certain elephant is 4,067 kg. (a) Find the elephant's weight in ..
A sphere that is a perfect blackbody radiator has a radius of 0.130 m, Calculate the net rate at which the sphere radiates energy
If the magnitude of the drift velocity of free electrons in a copper wire is 9.12 10-4 m/s, what is the electric field in the conductor
A compressed-air vessel has a volume of 10 ft^3. Cooling coils hold its temperature constant at 68 oF. The pressure now in the vessel is 100 psia. Air is flowing in at the rate of 10 lbm/h. How fast is the pressure increasing?
A billiard ball strikes and rebounds from the cushion of a pool table perpendicularly. find the average net force exerted on the all by the cushion
In the figure below, water stands at depth D =30.0 m behind the vertical upstream face of a dam of width W = 320 m. Discover the net horizontal force on the dam from the gauge pressure of the water.
A 1400kg weather rocket accelerates upward at 10m/s^ 2 . It explodes 2.5s after liftoff and breaks into two fragments, What was the direction of the heavier fragment
At a carnival, you can try to ring a bell by striking a target with a 9 kg hammer. How fast must the hammer be moving when it strikes the target so that the bell just barely rings
A long wire is known to have a radius greater than 5.2 mm and to carry a current that is uniformly distributed over its cross section, What is the radius (in mm) of the wire
a test charge of 3.10 microc is placed 6.10 cm away from a large flat uniformly charged nonconducting surface. the
Steam can cause more serious burns than water at the same temperature. Here we want to examine this effect quantitatively, noting that flesh becomes badly damaged when its temperature reaches 50.0 oC.
Nicole throws a ball straight up. Chad watches the ball from a window 5.80 above the point where Nicole released it. How fast did Nicole throw the ball
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