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you hold two tuning forks oscillating at 294 hz you give oneof the forks to your friend who walks away at 150 ms what
if 500 ml of 020 m nacn is treated with 500 ml of an hocl solution to produce a resultant solution with ph 700
a cylindrical wheel disk of mass 10 kg andradius 05 meters is released from rest while sitting on aninclined plane of
a large aquarium of height 419 m is filled with fresh water to adepth of d 160 m one wall of the aquarium consists
a 20 kg wood ball hangs from a 20 meter long wire the maximum tension the wire can withstand without breaking is 400 n
at what temperature does a carbon resistor have a resistance of 995ohms if it has a resistance of 1000 ohms at 20
a solution is 0020 m in each ca2 and cd2 what would be the resulting concentrations of the ions if the solution were
perhaps to confuse a predator some tropical beetles are colored by optical interference that is due to scales whose
a car of mass 2000 kg rounds a circular turn of radius 10 m if the road is flat and the coefficient of static
a 60 cm long steel rod with a diameter of 4 cm is mated to a 40 cm long cu rod with the same diameter the unmated end
gout is caused by an error in nucleic acid metabolism that leads to a buildup of uric acid in body fluids which is
a high diver of mass 70kg jumps off a board 10 meters above the water if the diversdownward motion is stopped in 10
total required annual electrical energy output from the wind farm 120 tjmax number of turbines for which there is space
determine the molarity of a salt solution of 150g of nacl in 540g of water assume the density of water is 10gml mwnacl
two identical conducting spheres fixed in place attract eachother with an electrostatic force of 220 n when
a single pane glass window of 5 mm thickness and dimensions 3ft x 2ft is positioned vertically if the inside
using the ka for formic acid calculate the ph at the equivalence point d for the titration described in the other
the drawing shows four insulated wires overlapping one another forming a square with 0050-m sides all four wires are
for the 001 m naoh and 0001 m naoh solutions in part a do your calculated values of oh- agree with those you would
the electric fluxthrough each face of a 50m x 50m x 50m cube is 130 nm2c how much charge is inside the
two circular coils of current-carrying wire have the same magnetic moment the first coil has a radius of 0091 m 120
assume that you use 100 ml of 2-chloro-2-methylpropane t-bucl calculate the following quantitiesa the number of moles
a wind turbine is initially spinning at a constant angular speedas the winds strength gradually increases the turbine
a car is traveling down around a banked curve in the road the curve has a radius of 300 m and is banked at an angle
how do you synthesized 3-bromo-3-methyl-2-butanol from 2-methyl-2-butene from the following regents pbr3 br2h2o nabr