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a wheel with a moment of inertia of 55 kgbullm2nbspis rotating with an angular speed of 54 rads a second wheel with a
what was the distance delta y that the ball traveled from the starting position at the clamp to the 140 cm photogate to
a sodium atommass384 10-26kg has its velocity increased from 100 to 101 by a 589-nm photon and the question is
a hydrogen atom has its electron in thenbspnnbspnbsp2nbspstatea how much energy would have to be absorbed by the atom
a hydrogen atom has its electron in thenbspnnbspnbsp5nbspnbsplevel the radius of the electrons orbit in the bohr model
a hydrogen atom initially in thenbspnnbsp 2 level emits a photon and ends up in the ground statea what is the energy of
a neutral argon atom znbspnbsp18 nbspis in its ground state electronic configuration how many of its electrons are in
find the heat required for 5-kgnbspwater to be heated from 30nbspcelsius degree to 50nbspcelsius degree express the
a geiger counter registers a count rate of 6800 counts per minute from a sample of a radioisotope fourteen minutes
the air table has approximate dimensions of 25 cm x 25 cm if the table is set up leveled and then inclined where the
a sphere with radius of 2 m is entirely immersed in water 1 find the buoyant force on the sphere by water 2 find the
two masses m1 800 kg and m2 100 kg are connected by a massless string which runs across a massless frictionless
why do the bright lines in emission spectrum and absorption spectrum line up with each otherexplain how a microwexplhow
determine what normal force would be required to accelerate you upwards from ground level at a rate of 20
you sit at the outer rim of a ferris wheel that rotates 2 revolutions per minute rpmnbspwhat would your rotational
the sun radiates about 36 x 1026nbspjoules of energy each secondnbsphow much mass does the lose each secondnbspshow all
a football is kicked from the ground at an angle of 60 degrees above the horizontal with an initial speed of 200 ms how
explain what the early scientists from aristotle to galileo thought about the nature of motion hint need to include
a fan blade is spinning with an angular speed of 222 rpm what is the angular displacement of this fan blade in rads for
1 what is the molecular weight in pounds of you may round the atomic weights of the individual atoms to the nearest
a cantilever beam having stepped moment of inertia is subjected to a 4 kn load at the free end as shown in the figure
a spherical tank of diameter 12 m and wall thickness 50 mm contains compressed air at a pressure of 17 mpa the tank is
mark accidentally falls out of a helicopter that is traveling 15 msnbsphe plunges into a swimming pool 2 seconds
a net force of 10n acts on a 40-kg object initially at rest for 40 seconds what is the distance the object moves during
why is line absorption appropriate and what does it describe about the process that created the