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the electric potential at a position located a distance of 195 mm from a positive point charge of 810x10-9c and 103 mm
two objects with masses of 380 kg and 540 kg are connected by a light string that passes over a frictionless pulley as
taylor and crist journal of the american chemical society 63 1381 1941 studied the reaction between hydrogen and iodine
for a simple harmonic oscillator with k 40nm and a075 m the time between maximum velocity and maximum acceleration is
the hail comes straight down at a mass rate of mt0069 kgs and an initial velocity of v0 -15 ms suppose that the hail
a 134g baseball moving 286 ms strikes a stationary 520 kg brick resting on small rollers so it moves without
a large fish hangs from a spring balance supported from the roof of an elevator under what circumstances will the
doug uses a 29 horizontal force to push a 35 crate up a 15 -high 20 frictionless slope what is the speed of the crate
a 79-kg pilot in an aircraft moving at a constant speed of 495 ms pulls out of a vertical dive along an arc of a circle
compare the molar enthalpies of neutralization of hydrochloric acid sulfuric acid and phosphoric acid discuss the
in a calorimetry experiment 0497 g of potassium hydroxide are dissolved in 25o ml of water density 100 gml specific
in a 128t magnetic field directed vertically upward a particle having a charge of magnitude 880uc and initially moving
calculate the concentration of al3 in a saturated aqueous solution of aloh3 ksp 21 times
how do you calculate molar enthalpy of combustion for example if a question was simply what is the molar enthalpy of
a 100 v potential difference is maintained across a 90 resistor for a period of 160 s what total charge passes through
a horizontal force does 50 j of work on a box while the kinetic friction force between the box and the floor also does
benzyl alcohol although a primary alcohol reacts very rapidly in the presence of hcl forming benzyl chloride why is
a solid sphere of mass 40kg and radius of 012m is at rest at the top of a ramp inclined 15degrees it rolls to the
if the 390 m solution from part a boils at 10345 circ rm c what is the actual value of the vant hoff factor i the
a 250g bullet moving at 900 ms is fired through a 0900 kg block of wood emerging at a speed of 100 ms if the block had
a positively charged particle of mass 727e-8 kg is traveling due east with a speed of 870 ms and enters a 0250 t
you require 3678 ml of 00105 m hcl to reach the equivalence point in the titration of 250 ml of aqueous ammoniaa what
bob m 60kg is wearing a sticky suit just as he reaches his desired speed of 6ms he reaches the edge of ice assume the
each of the current-carrying wires in the figure is long and straight and carries the current either into or out of the
a student added 500 ml of cold water to 50 ml of heated distilled water in a styrofoam cup the initial temperature of