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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
write equations for the mechanism for saponification of methyl benzoate begin with nucleophillic attack of hydroxide
a 11508 g ice cube at -15degc is placed in an aluminum cup whoseinitial temperature is 74degc the system comes to an
when the earth moon and sun form a right triangle with the moonlocated at the right angle as shown in the figure the
a wooden pole is 400m long weighs 315 n and has its centerof gravity 150m from one end what force is needed to lift
one possible concern with mri is turning the magnetic field on or off too quickly bodily fluids are conductors and a
an old covered bridge across a country stream weighs 89200n a large truck stalls 4m from one end of the 900-m bridge
szlig-d-glucopyranose szlig-d-glucose and dissolved oxygen are converted by the enzyme glucose oxidase into d-gluconic
16 rm g of liquid water is placed ina flexible bag the air is excluded and the bag is sealedit is then placed in a
a lead ball is dropped from a height of 50m above a lake it hits the water with its final free fall velocity and
two trains one traveling at 72kmh and the other at 144kmh are headed toward each other on straight level track when
a small loop of wire of radius 19 cm is placed at the center of a wire loop with radius20 cm the planes of the loops