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suppose that blood flows through the aorta with a speed of046 ms the cross-sectional area ofthe aorta is 18 multiplied
what is the total mass of the earths atmosphere the radius ofthe earth is 637 multiplied by 106 m and atmospheric
a marble column of cross-sectional area 21 m2 supports a mass of 30000 kga what is the stress within the columnnm2b
a ball has a diameter of 380 cm andaverage density of 00839gcm3 what force is required to hold it completely submerged
a certain electric extension cord has a resistance of 328 omega suppose it is replaced by an extensioncord made of the
a swimming pool has dimensions 300 mmultiplied by 130 m and a flat bottom when the pool is filledto a depth of 210 m
truefalse1 resistance is a property of an object while resistivity is aproperty of a material2 increasing the length of
a 60 multiplied by104 kg space probe is traveling at a speed of14000 ms through deep spaceretrorockets are fired along
true orfalse1 the resistance of a metal rod depends on temperature2 the resistance of a metal rod does not depend on
truefalse1 ohms law isvalid when for a given piece of material the ratio vi is the samefor a wide range of voltages and
energy is required to move a 1530 kg mass from the earthrsquossurface to an altitude 243 times the earthrsquos radius
calculate the expression for electric field around and infinite line of charge which has a line charge density lambda
using keplers third law calculate the mass of the sun using the period of earths orbit 365 days and the distance from
in the railroad freight yard an empty freight car of massm rolls along a straight level track at 11 ms and collides
your forensic chemistry group working closely with local lawenforcement agencies has acquired a mass spectrometer
what is the magnitude b of a magnetic field perpendicular to the plane of a ciarcular loop with a radius of 7cm that
a woman who can row a boat at 73 kmh in still water faces along straight river with a width of 68 km and a current of
a closely wound circular coil with a diameter of 360 cm has 560 turnsand carries a current of 0560 aa what is the
the left side of the figure shows a light massless spring of length 0350 m in its relaxed position it is compressed to
the drawing shows a baggage carousel at an airport your suitcasehas not slid all the way down the slope and is going
a 500 g ball swings in a vertical circle at the end of a 15-m-longstring when the ball is at the bottom of the circle
the ammonia molecule nh3 has a permanent electric dipolemoment equal to 131 d where 1 d 1debye unit 334 multiplied
the radius of the loop is 550km r550kma determine the minimum height above the top of the loop from which the ball must
a simple pendulum has a length of 115 m and a mass of 125 kg the amplitude of oscillations of the pendulum is 300 cm
two parallel plates each of area 500 cm2 are separatedby 300 mm with purified nonconducting water between them a