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if an object is projected upward with a velocity of 73 ms at an angle of 25 degrees what isa its horizontal velocity
you have a solution of a buffer with 10 mmoles of the buffer initially the solution has a ph of 68 you add 100 mm koh
a circuit consists of two 495-k resistors in series with an ideal 120-v batterya calculate the potential drop across
a a force of 54 n is applied to an object and the object is observed to accelerate with an acceleration of 30 ms2 if
i have a stock solution of fe at 5024ppm i transfer 1ml to a volumetric flask and dilute with di water to 100ml how
an object is projected horizontally with a speed of 12 ms and lands 120m from the launch site what vertical height was
cyclopropane c3h6 is converted to its isomer propylene ch2chch3 when heated the rate law is first order in cyclopropane
a 210-kg box rests on a frictionless ramp with a 143deg slope the mover pulls on a rope attached to the box to pull it
a 7 g bullet has a speed of 270 ms and embeds itself into a 600 g block the block is initially at rest sitting on a
suppose a reaction mixture when diluted with water afforded 300ml of an aqueous solution of 30 g of the reaction
with what initial speed should a positive charge q be given such that if starting infinitely far away from a fixed
an object located at the origin and having a mass m explodes into three pieces having masses m4 m3 and 5m12 the pieces
a negative charge -q has a mass m and an initial velocity v but is infinitely far away from a fixed large positive
if the coefficient of friction between the sleds runners and snow is 0055 and the boy and sled together weigh 540 n how
an object with mass m and speed v relative to an observer explodes into two pieces one three times as massive as the
why is it necessary to remove the stopper from a reparatory funnel when liquid is being drained from it through the
an elevator passenger is on her way down to the ground floor her mass is 50 kg and the normal force between her feet
if the volume of the reaction vessel in part b was 150 what amount of in moles was formed during the first 150 of the
the force of the wind on a small sail boat is 500 n northeast 45 degrees n of e if the drag if the keel is 250 n acting
after you pick up a spare your bowling ball rolls without slipping back toward the ball rack with a linear speed of v
what is the volume of the solution that would result by diluting 8000 of 917times10-2 to a concentration of
in tae-kwon-do a hand is slammed down onto a target at a speed of13ms and comes to a stop during the44ms collision
a student placed 160 g of glucose c6h12o6 in a volumetric flask added enough water to dissolve the glucose by swirling
the wavelength of the x-radiation we use in our diffractometer is 154angstroms what is the ratio of the energy of these
a total current of 23 ma flows through an infinitely long cylinderical conductor of radius 4 cm which has an infinitely