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a human sprinter of mass 65kg starts a run at the maximum possible acceleration pushing backward against a block set in
a racemic product mixture is produced when z-4-ethyl-4-octene is subjected to chlorohydrin formation conditions cl2 h2o
a horse can maintain a top speed of 20ms for a long distance but has a maximum acceleration of only 60ms2if a horse
a 1000 ml aliquot of weak base is titrated with hcl the equivalence point is reached after 1721 ml of 04332 m hcl has
a pogo and rider of 80kg total mass at the high point of a 20m jump will drop 13m before the pogo plunger touches the
a ferris wheel with radius 140m is turning about a horizontal axis through its center the linear speed of a passenger
calculate the ph at the equivalence point for the titration of 10 m ethylamine by 10 m perchloric
a steam locomotive uses the back-and-forth motion of a drive rod to turn its 145 m diameter wheel each compete
the volume of 0162 mol of helium gas at 301 c is increased isothermally from 227 l to 543 l assuming the gas to be
a puck with mass m 018 kg slides along a frictionless horizontal surface at v 63 ms it hits and sticks to the free
calculate the ph during the titration of 40 ml of 01m hcl with 01m naoh solution after the following additions of basea
explain why the fluoride ion of the terabutylammonium flouride is more nucleophilic than the fluoride ion of sodium
a proton accelerates from rest in a uniform electric field of 628 nc at some later time its speed is 110106 msa find
what is the ph to nearest 001 ph unit of a solution prepared by mixing 520 ml of 0125 m hf and 780 ml of 00465 m
1 a block of mass m1 050kg placed in top of another block of mass m2 080 kg which rests on a frictionless surface a
find the ph of the equivalence points and the volume of 00372 m naoh needed to reach it in titrations ofa 422 ml of
the motor of a ski boat generates an average power of 594 times 104 w when the boat is moving at a constant speed of
a what is the ph to nearest 001 ph unit of a solution prepared by mixing 520 ml of 0631 m hcl and 630 ml of 0723 m
a semi-trailer is coasting downhill along a mountain highway when its brakes fail the driver pulls onto a runaway truck
two buffered solutions buffered solution 1 consists of 50 m hc2h3o2 and 50 m nac2h3o2 buffered solution 2 is made of
a fighter jet is launched from an aircraft carrier with the aid of its own engines and a steam-powered catapult the
a 1060-kg van stopped at a traffic light is hit directly in the rear by a 794-kg car traveling with a velocity of 390
if 250 ml of 0451 m hno3 solution is titrated with 0451 m naoh calculate the ph of the solution after each of the
a wagon is rolling forward on level ground friction is negligible the person sitting in the wagon is holding a rock the
how many moles of h3o must be added to 482 ml of a solution to adjust the ph from 880 to 556 use e notation and 3