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a 90 kg halfback running north with a speed of 10ms is tackled bya 120 kg opponent running south at 4ms the collision
a 100 kg glider attached to a spring with a force constant490 nm oscillates on a horizontalfrictionless air track at t
a 100 kg duck is flying overhead at 150 ms when a hunter firesstraight up the 00100kg bullet is moving 100ms when it
a balloon is filled with 500 mol of an ideal gas at 500 degrees celsius and 100 atm pressure the temperature of the gas
the intensity of the electromagnetic radiation from the sun when itreaches the saturns surface isapproximately 15 wm2
on a cool morning when the temperature is 14 circrm c you measure the pressure inyour car tires to be 30 psi after
a piece of charcoal used for cooking is found at the remains of anancient campsite a 110 kgsample of carbon from the
suppose you are hilding a circular ring of wire and suddenly thrust a magnet south pole first away fro you toward the
the position of a particle is given by the expression x 400 m cos600pit 14pi where x is in metersand t is in secondsa
you are asked to prepare 19 l of a hcnnacn buffer that has a ph of 956 and an osmotic pressure of 100 atm at 298 k what
a projectile of mass m is launched from the origin at speedv0 and angle theta it is attached to the origin with aspring
an air-track cart is attached to a spring and completes oneoscillation every 567 s at t 0 s the cart isreleased at a
suppose that 2265 ml of a 002024m permanganate solution was needed to react with the fe 2 in a sample that had a mass
the current density in a 28 mum thick x 75mum wide gold long film is 750000 am2the current flows along the length of
a 80 g string 087 m long is under tension the string produces a 900 hz tone when it vibrates in the third harmonic
if you perform two column chromatographic separations in two columns of equal size one column packed with a silica gel
wayne pulls a 285 n sled along a snowy path using a rope that makesa 450degree angle with the groundwayne pulls with a
a particular playground ride acts like a horizontally rotatingturntable with a moment of inertia of 10000
a tube of mercury with resistivity 984 x 10-7omegam has a 25 nc electric field inside thecolumn of mercury how much
suppose that 3555 ml of permanganate solution is required to titrate 12055 grams of iron ammonium sulfate hexahydrate
when viewed by an observer on the earth light from a distantgalaxy is doppler shifted to the red such that the ratio of
a 0100-ma electron beam with kinetic energy of 540 ev enters asharply defined region of lower potential where
an organic compound has a molecular formula c6h12o2 its ir spectrum shows a strong carbonyl absorption band near 1740
write equations for the mechanism for saponification using salicylic acid begin with nucleophillic attack of hydroxide
two carts are held together by a mass less spring and are travelingtogether to the right on a frictionless air track at