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In a U-tube there is some water and on top of the water in one of the tubes there is oil (water and oil don't mix). Find the density of the oil. (Hint: What can you say about the pressure at points a and b?)
Height of oil at point a on left-hand side of tube - 27.2 cm (the only part containing oil)
Height of water on corresponding right-hand side - 9.41 cm.
Unpolarized light with an intensity of 660 W / m2 is incident on a polarizer with an unknown axis. What is the angle between the axes of the polarizers
What is constant acceleration
As you travel every day to campus, the road makes a large turn thatis approximately an arc of a circle. What is the maximum safe speed forthe turn when the road is wet
In 1987, Marisa Canofoglia, of Italy, roller-skated at a record -setting speed of 40.3 km/h. If the her momentum was 660 kg×m/s, what was her mass
A pipe has a narrow end compared to the other end. The area of the narrow section is one-half the area of the wide section. find the velocity of the water in the wider section
Suppose the charge of one is increased by twenty seven times while the charge of the other is reduced to one-third its initial value. What would their separation distance have to be changed to in order to keep the force between them the same?
A swimming pool has dimensions 24.0 m x 11.0 m and a flat bottom. The pool is filled to a depth of 2.10 m with fresh water. What is the force exerted by the water at the bottom
What is the net charge inside the sphere.
find the magnitude of the acceleration of the boy. Find the average magnitude of the induced emf if the change in shape occurs in 4.14 s, and the local 0.120 T magnetic field is perpendicular to the plane of the loop.
Two 1.5cm -diameter disks face each other, 2.0mm apar, What launch speed must the proton have to just barely reach the positive disk
The crankshaft in a race car goes from rest to 3540{\rm rpm} in 3.0{\rm s}. What is the crankshaft's angular acceleration
Bob, of mass m, drops from a tree limb at the same time that Esther, also of mass m, begins her descent down a frictionless slide. If they both start at the same height above the ground, which is true about their kinetic energies as they reach the gr..
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