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an air parcel occupied by an ideal gas t1 255 k v1 1500m3 m1 1680 kg collides and mixes with a second air parcel
the ground state of the realistic helium atom is of course nondegenerate however consider a hypothetical helium atom in
estimate the electric field needed to pull an electron out of an atom innbspa time comparable to that for the electron
by curving different isotopes through paths with different radii a mass spectrometer can be used to purify a sample of
the nucleus of 8be which consists of 4 protons and 4 neutrons is very unstable and spontaneously breaks into two alpha
a cockroach crawls with a constant speed on a phonograph turntable that is rotating with angular velocity if the bug
on the salt flats of bonnevile utah latitude 41o n the british auto racer john cobb in 1947 became the first man to
a truck is traveling on a level road the driver applies the brakes causing the truck to decelerate by an amount g2 this
what is the magnitude of the positive and negative chargetwo conducting spheres have identical radii initially they
a uniform rope of uniform weight w hangs between two trees the ends of the rope are the same height and they each make
a polar explorer pulls a sled on dry snow the coefficient of kinetic friction is 012 for sled on snow the rope attached
consider three identical metal spheres a b and c sphere a carries a charge of -2q sphere b carries a charge of 5q
a 250-kg pendulum is attatched to a string 114m stringis pulled aside until it is386m above its lowest position and
a pill bottle 30 cm tall is placed 12 cm in front of a mirror an upright image 90 cm tall is formed what kind of mirror
if an object is 30 cm in front of a convex mirror that has a focal length of 60 m how far behind the mirror will the
consider a deformed nucleus shape of an ellipsoid long axis 10 longer than short axis if you compute the electric
assume that there is an announcement of a fantastic process capable of putting the contents of physics library on a
c dissolved in steel o dissolved in steel co gthe enthalpy of the reaction is 224 kjmol co and the entropy of the
a thin insulating stick 300 m long has a uniform charge density with a total charge of 7 micro coulombs the stick has
consider a thin ring of radius a with uniform charge density and total charge q the ring is cut in half across the
an archer shoots an arrow with a velocity of 30 ms at an angle of 20 degrees with respect to the horizontal an
an electron on the axis of an electric dipole is 23 nm from the center of the dipole what is the magnitude of the
a nonconducting spherical shell with an inner radius of 4 cm and an outer radius of 6 cm has charge spread nonuniformly
an analysis of each gas and their mole percent from the analysis of a flue gas is given belown2-79o2