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a canoe has a velocity of 0550 southeast relative to the earth the canoe is on a river that is flowing at 0510 east
a window washer is standing on a scaffold supported by avertical rope at each end the scaffold weighs 210 n and is 300
hemoglobin is the protein that transports oxygen in mammals different species of mammals have slightly different forms
a 70 kg diver steps off a 10 m tower and drops straight downinto the water if he comes to rest 5 m below the surface of
two point charges are on the y-axis a 60 microc charge is located at y 150 cm and a -216 microc charge is located at y
a long solenoid with 100 turns cm and a radius of 700cm carries a current of 200 ma a current of 600 a exists in a
using your knowledge of ph and solubility predict what charge would be on the amino acid phenylalanine at ph 20 ph 130
two capacitors give an equivalent capacitance of 950 pf when connected in parallel and an equivalent capacitance of 160
on planet x the pressure at a depth of 200 m below thesurface of a liquid nitrogen lake the pressure is500105nm2 at a
for the molecule ch3cooch3 indicate the orbitals involved in the bonding of the carbon and oxygens draw a picture to
a 022 mmicrof capacitor is charged by a 15 v battery after being charged the capacitor is connected toa small electric
a 280g wood block is firmly attached to a very lighthorizontal spring the block can slide along a table
if 1950g of cacl2 are dissolved in enough water to give 250ml of solution what will be the molar concentration if the
a proton has an initial speed of 40105 msa what potential difference is required to bring the proton to restb what
a physics major is working to pay his college tuition byperforming in a traveling carnival he rides a motorcycleinside
if the cylinder is full of air at 72 c and 0980 atm how many moles of o2 are present the mole fraction of o2 in dry
a concave spherical mirror has a radius of curvature of 072 m an object placed in front ofthe mirror is 030 m tall find
a butterfly fliest from the top of a tree in the center of a garden to rest on top of a red flower at the gardens edge
a 3730-nf parallel plate capacitor is connected to a 214-v battery and chargeda what is the charge q on the positive
write a balanced chemical equation for the reaction between mno4- and i - in basic solution the skeleton ionic reaction
a uniform metal ball of mass 31g and radius 14cm rollsdownwithout slipping a slope of height 32cm from rest find its
a generator of frequency 2500 hzdrives a series rlc circuit with an emf amplitude of 120v the resistance is 31 the
does anyone know what the reactivity order is when the alkyl halides undergo hydrolysis by the sn1 mechanisms and sn2
a 600x microscope uses a 035 cm focal lengthobjective lens if the tube length is 160 cm what is the focal length of the
a compound contains only carbon hydrogen and oxygen combustion of 5134 g of the compound yields 7526 g of co2 and 3081