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a 60 ohm and 120 ohm resistor are connected in series to a 36v batterya what is the current through each resistorb what
solution b is made by taking 150ml of solution a and diluting it to 10000 ml if solution b is found to contain 550ppb
if a 1500kg car is driven in sand at 5ms the coefficient of rolling friction is 006 in this case nearly all of the
calculate the change in ph when 300 ml of 0100 m hclaq is added to 1000 ml of a buffer solution that is 0100 m in nh3
consider a series lrc circuit with r39 l011 h and c1 microf the current is 11 ma amplitude at 22 khz remember 2f
consider a system consisting of three masses on the axis mass 120 is at 110 mass 210 is at 190 and mass 270 is
a compound has a molar mass of 1101gmol and a composition of 6545c 545 h and 2909 o calculate the molecular formula of
ip at a certain distance from the center of the earth a 50- object has a weight of 30 find this distance if the object
an unknown metal forms two different compounds with oxygen when a 2412 g sample of the metal is combined with oxygen
some european trucks run on energy stored in a rotating flywheel with an electric motor getting the flywheel up to its
using a block of a transparent unknown material it is found that a beam of light inside the material becomes totally
light in air is incident perpendicularly on a sheet of crown glass having an index of refraction of 1522 determine both
a particular brand of gasoline has a density of 0737 gml at 25 c how many grams of this gasoline would fill a 124 gal
a rocket which is in deep space and initially at rest relative to an inertial reference frame has a mass of 531 x 105
a source delivers an ac voltage of the form v 980 sin 80t where v is in volts and t is in seconds to a capacitor the
a 12 v battery which has an electric potential difference of 12 v between its terminals is connected to a 10 w light
how many covalent bonds with other atoms will a sulfur atom with 6 electrons in its outer shell most likely make and
an ac source with an output rms voltage of 345 v at a frequency of 600 hz is connected across a 102-microf capacitora
if two carts were hooked together at rest then a small explosion occurs and the carts move in opposite directions is
drink cost 100 for 24oz or 076 for 050l assume 1qt32oz what is the price per liter of the 24oz
a 50 kg sprinter starting from rest runs 50 m in 70 s at a constant acceleration what is the magnitude of the
1 a mixture of ethane and methane is contained a glass bulb of 500 cm3 capacity at 25 degree celsius the pressure is
a charge of q is located at the origin while an identical charge is located on the x axis at x 054 m a third charge of
a proton high above the equator approaches the earth moving straight downward with a speed of 345ms find the
what is the difference between a certain number and an uncertain number in a measurement which certain and uncertain