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a 1600 kg car traveling eastward at 32 ms collides at an intersection with a 700 kg motorcycle traveling northward at
the substances nacl na2co3 mgso4 and nh4cl used for test solutions are all soluble ionic compounds for each substance
an organic compound was synthesized amp a sample of it was analyzed amp found to contain only c h n o amp cl it was
consider a series lrc circuit with r66 l019 h and c01 microf the current is 15 ma amplitude at 17 khz remember 2f
the mineral bauxite which is mostly al2o3 is the principal industrial source of aluminum metal how much aluminum can be
a stick is resting on a concrete step with 29 of its length hanging over the edge a single ladybug lands on the end of
the element gallium has two naturally occurring isotopes 69ga and 71ga the atomic mass of 69ga is 689256 amu and 71ga
a thin film of acetone n 125 coats a thick glass plate n150 white light is incident normal to the film in the
a system gains 2850 j of heat at a constant pressure of 132 times 105 pa and its internal energy increases by 4100 j
a short train an engine plus four cars is accelerating at 140 ms2 the mass of each car is 370times104 kg and each car
a current of 0750 a passes through a solenoid wound with 150 turns per centimeter a proton moves around a circular path
a long straight wire lies in the plane of a circular coil with a radius of 0040 m the wire carries a current of 50 a
a gas follows the equation of state pv nrt1ap where a is a constant for this gas show that a 1t and k 1p1ap and
a bank teller is asked to assemble 1 set of coins for his clientseach set is made up of three quartersone nickel and
a circular loop of radius 118 cm is placed in a uniform magnetic fielda if the field is directed perpendicular to the
calculate the residual volume for a gas with the redlich-kwong equation of state interpret the result if there is a
in a game of football outdoors on a cold day a player will begin to feel exhausted after using approximately 80 times
a uniform beam of length 12 m is supported by a horizontal cable of mass 5 kg at the top and a hinge at the bottom
how many isomers of the alkenes having the molecular formula c6h12 would have trans or e in their
a 30 kg launching machine fires a 250 gram projectile horizontally at 100 ms this causes the machine to slide backward
carbon dioxide reacts with hot carbon in the form of graphite the equilibirium constant kc for the reaction is 100 at
a series rcl circuit includes a resistance of 520 ohms an inductance of 166 mh and a capacitance of 500 nf there is an
a gas company in boston charges 130 for 150ft3cube of natural gasif it takes 0304ft3cube of gas to boil a liter of
two radio-frequency point sources separated by 15 m are radiating in phase with 030 m a detector moves in a large
a 13 ml volume of seawater contains about 40 x 10-10 g of gold the total volume of ocean water is about 15 x 1021 l