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a cart for hauling ore out of a gold mine has a mass of 437 kg including its load the cart runs along a straight
a circuit consists of a battery with a closed circuit a terminal voltage of 120 v and 10- 25- 50- and 75- resistors
in the all-alaska ice floe softball finals the right fielder for the nome icesox who is floating on a small chunk of
nbspexplain and answer the following questions in detailsa what is the role of the chloroplast and the chromoplast ina
a pilot wishes to fly due east if the planes maximum speed is 683 kmhr and there is a 214 kmhr wind from the north what
a spaceship of mass 190times106 kg is cruising at a speed of 450times106 ms when the antimatter reactor fails blowing
although i understand half-cell reactions im puzzled by how to approach the following corrosion reactions iron in an
a 1000 kg cart is rolling to the right at 150 ms a 500 kg man is standing on the right end of the cartwhat is the
in a severe storm 105 cm of rain falls on a flat horizontal roof in 310 min if the area of the roof is 205 m2 and the
a student titrated 10ml aliquots of her unknown amino acid solution with standard 01521m naoh and with 00986m hcl
a house painter stands 3 m above the ground on a 49-m-long ladder that leans against the wall at a point 47 m above the
given that one mole of naoh reacts exactly with one mole of potassium hydrogen phthalate write the chemical reaction
a 497 kg sled starts at rest on a horizontal road the coefficient of kinetic friction between the sled and the road is
potassium hydrogen phthalate has a molecular mass of 2042 gmole how many moles of potassium hydrogen phthalate are in a
suppose the 60-v battery is replaced by a battery of unknown emf and an ammeter measures i1 12 a find the other two
1 what role does cellular respiration play in the metabolism of an organism2 does cellular respiration occur
at the top of a 30m hill is a 5kg mass it is loaded into a spring cannon the cannons spring has a constant k 400 nm and
a block is dropped onto a spring with k 33 nm the block has a speed of 34 ms just before it strikes the spring if the
a sample of water at 230 c required an input of 169 x 104 j of heat to reach its boiling point 100 c what is the mass
so2cl2 decomposes in the gas phase by the reaction so2cl2 g so2 g cl2 gthe reaction is first order in so2cl2 and the
in an experiment that tested the effect of light intensity onthe rate of photosynthesis we do not run a control tube in
urea is an organic compound widely used as a fertilizer its solubility in water allows it to be made into aqueous
a skier starts from rest at the top of a hill that is inclined at 109deg with respect to the horizontal the hillside is
given that both human cells and pathogens synthesize proteins at ribosomal sites how can antimicrobial agents that
determine the number of grams h2 formed when 2500 ml of 0743 m hcl solution reacts with 341 x 1023 atoms of fe