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as two boats approach the marina the velocity of boat 1 relative to boat 2 is 213 ms in a direction 403deg east of
two small plastic balls hang from threads of negligible mass each ball has a mass of 054 g and a charge of magnitude q
describe the preparation of 12 ml of a 0050 m solution of each of the halogens using the reactions in the preceding
what is the standard free energy change for the solubility of agcl in water ksp of
two closely spaced circular disks form a parallel-plate capacitor transferring 8900times109 electrons from one disk to
two identical balloons are filled with the same volume one with air and one with helium the next day the volume of the
a helicopter blade spins at 115 revolutions per minute its tip is 700 m from the center of rotationa calculate the
a segment of a dna strand has base sequence of c-g-a-t-t-g-c-a what is the base sequence of the other complementary
three boxes each of mass 200 kg are on a frictionless table connected by massless strings a force of tension t1 pulls
when two capacitors are connected in series the equivalent capacitor is 120uf when the same two capacitors are
the artificial sweetener aspartame is a dipeptide made from two amino acids aspartic acid and phenylalaline write two
julie throws a ball to her friend sarah the ball leaves julies hand a distance 15 meters above the ground with an
predict the wavelength in nm of the lowest energy electronic transition in the dye polymethine ion assume all c-c and
a parallel plate capacitor has a potential difference of 16v a plate separation of 25mm and is filled with a material
for the formation of a photchromic imine you use ammonium bromide give 2 reasons why you cannot use concentrated
a parallel plate capacitor has an area of 040m2 and a plate separation of 002m the capacitor is charged to a potential
a playground is on the flat roof of a city school600m above the street below the vertical wall of the building is700m
a projectile is fired in such a way that its horizontal range is equal to125times its maximum height what is the angle
a 1 kg object moves at d8e relative to eartha calculate the momentum and energy of the objectb determine the lorentz
a parallel-plate capacitor is constructed with circular plates of radius 64times102 the plates are separated by 030
a charge of 250 is held fixed at the origin a second charge of 250 is released from rest at the position 125 0570 a if
one solenoid is centered inside another the outer one has a length of 510 cm and contains 6800 coils while the coaxial
a collection of electrons is confined to an infinitely deep well or 1-d box having a 4 nm width what wavelength photon
a 505 micro f capacitor is initially charged to a potential of 162 v it is then connected in series with a 380 mh
a 120 v dc battery having no appreciable internal resistance a 1505 ohm resistor an 112 mh inductor and an open switch