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a telephone cord is 900 m long andhas a mass of 0500 kg a transversewave pulse is produced by plucking one end of the
a charge of q is located at the 0 mark of a meter stick whilea charge of 3q is located at the 100 cm mark where is the
the electric gun in a tv tube is to accelerate electrons m91 x 10 -31 kg charge 16 x 10 -19 from rest to 30 x 107 ms
suppose that we have a filter with a pass band of 10 angstromcentered at 600 nm and we illuminate it with sunlight what
to identify a diatomic gas x2 a researcher carried out the following experiment she weighed an empty 100-l bulb then
what pressure difference must be generated across the length of a 15cm vertical drinking straw in order to drink a
the nearest star to earth is 43 light years awaya at what constant velocity must a spacecraft travel from earth if itis
a solution of 118 ml of 0200 m koh is mixed with a solution of 250 ml of 0250 m niso4 what is the concentration of the
an object is placed 112 cm tothe left of a diverging lens of focal length -62 cm a converging lens of focal length 12
how many grams of aluminum can be produced by the reaction of 212 g of carbon in the reaction al2o3 3c 2al 3
write the balanced reaction for nickelii carbonate reacting with sulfuric acid nickelii sulfate carbon dioxide gas and
draw and explain the internal combustion engine as it relates to carnot cycle and otto
water is pumped steadily out of a flooded basement at a speedof 55 ms through a uniform hose of radius 11 cm the
a clinic took a temperature readings of 250 flu patients over a weekend and discovered the temperature distribution to
a diffraction grating produces a first-order bright fringethat is 00824 m away from the centralbright fringe on a flat
a ray of light is incident at the a-b interface with anangle of incidence that just barely exceeds its critical angle
23 grams of sodium reacts violently with excess water and 0080 grams of hydrogen are collected what are the theoretical
ironiii oxide reacts with carbon monoxide a reaction mixture initially contains 2265g of fe2 o3 and 1546g of co once
the hydrido complex feh64- has oh symmetry the bonding in feh64- can be described in term of the interaction between
the antenna on a cordless phone radiates microwaves at a frequencyof 50 ghz what is the maximum length of the antenna
two skaters one with mass 65 kg and the other with mass 50 kg stand on an ice rink holding a pole oflength 10 m and
the solubility of 11 salts is measured by the equilbrium constant for the general reaction mxs mnaq xn-aq given the
a 500 g bullet moving at 624 ms strikes a 720g wooden block at rest on a frictionless surface the bulletemerges
why is histidine very commonly found to play a catalytic role in the active sites of
the space between the plates of a capacitor is filled with water by what factor does the water change the capacitance