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a calculates the amount of lime cao that can be prepared by heating 200g of limestone with a purity of 95 caco3 by
in an electric motor a coil with170turns of radius29cm can rotate between the poles of a magnet the magnetic field
a a 100-microf capacitor is connected to a 120-v battery how much energy is stored in the capacitormicrojb had the
assume a perfectly elastic collision between a 916g bat and a 145 g baseball initially the ball was moving at 32ms
a what amount of chlorine gas is obtained by treating 80 g of magnesium dioxide in excess of hcl the following
is there a chemical composition that when exposed to air changes from a clear or white color to red over
an isolated charged conducting sphere of radius 120 cm creates an electric field of 490 104 nc at a distance 220 cm
what are the possible values of n and ml the principal and angular momentum quantum numbers for an electron in a 5d
a long solenoid that has 1140 turns uniformly distributed over a length of 0445 m produces a magnetic field of
if the frequency of a given type of electromagnetic radiation increases the a speed of light increases b energy
it is desired to construct a solenoid that will have a resistance of 600 at 20degc and produce a magnetic field of 400
a skier of mass 710 kg is pulled up a slope by a motor-driven cablea how much work is required to pull him a distance
when an electron moves from level n 4 to level n 5 in an excited hydrogen atom what amount of energy is required for
a certain automobile engine delivers 239 104 w 320 hp to its wheels when moving at a constant speed of 250 ms 56 mih
a sled of mass m is given a kick on a frozen pond the kick imparts to it an initial speed of vi 200 ms the coefficient
the mass of a helium atom is 40026amu and its average velocity at 25degc is say using your gu-id example g000abcde your
draw orbital-filling diagrams with the atomic number as the first two non-zero digits of your gu id number zab for
when a particular metal is illuminated with photons one electron is observed for each absorbed photon what effect would
a block of mass 100 kg slides from rest down a frictionless 350deg incline and is stopped by a strong spring with k
the turntable of a record player has an angular speed of 97 rads at the instant it is switched off 40 s later the
a metallic element m reacts vigorously with water to form a solution of moh2 if m is in period 6 what is the
a force f 2 i 2 j n acts on a particle that undergoes a displacement r -6 i - j ma find the work done by the
in a coffee cup calorimeter 100ml of 010 m hclo4 is mixed with 100ml of 010 m koh the initial temperature of both
a shopper in a supermarket pushes a cart with a force of 375 n directed at an angle of 170deg downward from the
a backpack full of books weighing 52n rests on a table in a physics classroom a spring with a force constant of 150nm