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a train starts from rest and accelerates at rate of 160 ms2 for 100 s it runs at constant speed for 700 s and slows
a sailboat sails 180 km west then 210 km southeast and then 280 km at 30deg east of north after an additional
one enzyme under study in a is peptidylglycine alpha-amidating monooxygenase pam the molecular weight of monomeric pam
a race car is approaching a jump ramp with the ramp angle at 10 degrees and 20 meters long and is 347 meters off the
the first step in industrial nitric acid production is the catalyzed oxidation of ammonia without a catalyst a
when an enzyme is purified from a complex mixture of proteins what usually happens to the total amount of protein and
the activity of an enzyme is close to zero at ph 10 and above and high at ph 6 and below the activity of this protein
1determine melting point--why would you do a mixture melting point 2determine melting point-what signifies the
assume an average scuba tank that has a volume of 10 l and is rated to a pressure of 20000 kpawhen the gas in the tank
two steel wires are stretched under the same tension the first wire has a diameter of 0485 mm and the second wire has a
a 470-g golf ball is driven from the tee with an initial speed of 500 ms and rises to a height of 256 ma neglect air
predict what you would expect to observe when each of the following substances is mixed with naiacetone would you
when empty a particular helicopter of mass 3770 kg can accelerate straight upward at a maximum acceleration of 134 ms2
the standard molar entropy for br2g is 24546 jmolk at 25c given that s 10458 jk for the dissociation of one mole of
a calculate go and kp for the following equibibrium reaction at 25c the gf o values are 0 for cl2g -286 kjmol for pcl3g
the launching speed of a certain projectile is 54 times the speed it has at its maximum height calculate the elevation
a 48 kg cart is moving across a frictionless floor at 15 ms a 68 kg boy riding in the cart jumps off the cart so that
classify each of the following processes as spontaneous or nonspontaneous i h2ol --gt h2og t25 deg c vessel open to
1how do calcicole plants survive the high calcium content of serpentine soils2why does irrigation pose problems for
runner a is initially 10 mi west of a flagpole and is running with a constant velocity of 80 mih due east runner b is
capacitors c1 50 microf and c2 20 microf are charged as a parallel combination across a 250 v battery the capacitors
using the dry cell or leclanche cell diagram please write the half reactions reactions at anode and cathode and net
a 10kg object is released from rest 500km approx 300 miles above the eartha what is its impact speed as it hits the
1 explain how microorganisms can be used to produce electricity bacterial fuel cells2 explain why you feel pain when
a spherical object has an outside diameter of 520 cm its outer shell is composed of aluminum and is 240 cm thick the