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An aluminum-alloy rod has a length of 10.008 cm at 16.400°C and a length of 10.020 cm at the boiling point of water.
(a) What is the length of the rod at the freezing point of water?
(b) What is the temperature if the length of the rod is 10.017 cm?
A 1.67 m tall person lifts a 2.34 kg book from the ground so it is 2.22 m above the ground. Calculate the work done by the person
A rectangular copper strip 1.5 cm wide, 0.1 cm thick carries a current of 5 A. A 1.2 T magnetic field is applied perpendicularly to the strip. Find the Hall voltage that should be produced
Household wiring made of aluminum wire with cross-section area 3.1 x 10^-6 m^2 carries a current of 4.5 A. what is the power loss over 5.2 m of wire
Two polarizers are oriented at 30.0 degrees to one another. Light polarized at a 15.0 degree angle to each polarizer passes through both
when 105 mL of water at 22 C is mixed with 68mL of water at 95 C, what is the final temperature? suppose no heat is lost to the surroundings and density of water is 1 g/mL.
A sodium surface, which has a work function of 2.46eV is illuminated with a wavelength = 300nm light. What is the deBroglie wavelength of these electrons
A parallel-plate capacitor has circulat plates of 7.00 cm radius and 1.01 mm separation. Calculate the capacitance in picofarads
Estimate the heat flow when a double pane of glass is used with a 4.0 mm air gap between the panes? Each individual glass sheet is 4.0 mm thick
Tritium (3/1 H) is a heavy isoptope of hydrogen, with an atomic mass of 3.016049u. Normal hydrogen has an atomic mass of 1.007825u, find the binding energy per nucleon for titium
If you weigh 690 {rm N} on the earth, what would be your weight on the surface of a neutron star that has same mass as our sun and a diameter of 21.0 {rm km}.
What is the horizontal distance x to the base of the wall supporting the mirror of the near point on the floor that can be seen reflected in the mirror . What is the speed of the third fragment? Overlook effects due to gravity.
A 9410-kg car is traveling at 29.7 m/s when the driver decides to exit the freeway by going up the ramp. compute the Magnitude of the average drag force exerted on the car?
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