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1 calculate the weight of the column of air contained above a 1-m2 area of atmospheric air from sea level to the top of
1 a car with tires pressurized to 240 kpa 35 lbin2 leaves phoenix with the tire temperature at 50-c estimate the tire
1 two kilograms of 40-c air is contained in a 4-m3 volume calculate the pressure density specific volume and specific
1 the coefficient of thermal expansion at allows the expansion of a liquid to be determined using the equation dv-
1 a 2-m-long 4-cm-diameter shaft rotates inside an equally long 402-cm-diameter cylinder if sae-10w oil at 25-c fills
1 sae-30 oil at 30-c fills the gap between a 40-cm-diameter flat disk rotating 016 cm above a flat surfaceestimate the
water at 20-c flows in a 08-cm-diameter pipe with a velocity distribution of uethrthorn frac14 5eth1 2 r216 middot
a viscometer used to measure the viscosity of a liquid is composed of two 12-cm-long concentric cylinders with radii 4
1 the specific weight of a fluid is 11 200 nm3 calculate the mass contained in 2 m3a using the standard gravityb
there are three basic laws in our study of fluid mechanics the conservation of mass newtons second law and the first
energy around a sphere a sphere of radius r has a charge q distributed uniformly over its surface how large a
ball in a sphere we know that if a point charge q is located at radius a in the interior of a sphere with radius r and
sphere in a cylinder an infinite cylinder with uniform volume charge density rho has its axis lying along the z axis a
field from two sheets two infinite plane sheets of surface charge with densities 3sigma0 and -2sigma0 are located a
sphere and cones a consider a fixed hollow spherical shell with radius r and sur- face charge density sigma a
flux through a cube a a point charge q is located at the center of a cube of edge d what is the value of r
an equilateral triangle three positive charges a b and c of 3 middot 10-6 2 middot 10-6 and 2 middot 10-6 coulombs
n charges on a circle n point charges each with charge qn are evenly distributed around a circle of radius r
zero field four charges q -q q and -q are located at equally spaced inter- vals on the x axis their x values are -3a -a
potential energy in a one-dimensional crystal calculate the potential energy per ion for an infinite 1d ionic crystal
work for an octahedron three protons and three electrons are to be placed at the vertices of a regular octahedron of
zero potential energy find a geometrical arrangement of one proton and two electrons such that the potential energy
oscillating on a line two positive point charges q are located at points plusmnr 0 a par- ticle with positive charge q
two parallel sheets each have large area a and are separated by a small distance r the surface charge densities are
average field onin a sphere a a point charge q is located at an arbitrary position inside a sphere just an