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a 185 kg mass is attached to a light cordthat is wrapped around a pulley of radius 360 cm which turns with negligible
a hot air balloon has a volume of 960 l at 18 degrees c what temp must it be heated to raise its volume to 1200l
a calculate the minimum wavelength x-ray that can be produced when a target is struck by an electron that has been
a small ball is attached to one end of a spring that has as an unstrained length of 200m the spring is held by the
immobilized cells of a genetically improved strain of brevibacterium lactofermentum are used to convert glucose c6h12o6
1what are the effects of hypoxia on cellular function how does hypoxia lead to cellular injury and death what
construct a table that shows the relationship among the group number valence electrons lost or gained and the formula
in a wind tunnel the pressure on the top surface of a modelairplane wing is 86 x 104 nm2 and thepressure on the bottom
the speed of light in material a is 14 times as large as it is inmaterial b what is the ratio of the refractive indices
1 a sky diver with an open parachute approches theground with constant velocity there is no wind to blow him fromside
how much heat does your body lose when 260 of sweat evaporates from your skin at 25 assume that the sweat is only
a hole is punched in a full milk carton 6 cm below thetop what is the initial velocity of out
a circular window of 30 cm diameter in a submarine can withstand a maximum force of 520 105 n what is the maxumim
a curve of radius 300 m is banked so that a car traveling 400kmh can round it even if the road is so icy that the
benzoic acid c6h5cooh is sometimes used for the standardization of solutions of bases a 1722-g sample of benzoic acid
a 20 kg mass is attached to the end of a horizontal spring of spring constant 50 nm and set into simple harmonic motion
a mass m 80 kg is attached to a spring and allowed tohang in the earths gravitational field the spring stretches24 cm
during lab we tested hcl and its diluted solution which resulted as ph114 and diluted one was ph 205 another dilution
in a lecture demonstration laser light is used to illuminatetwo slits separated by 05 mm and the interference pattern
a 92 kg man climbs onto a car with worn out shock absorbers and this causes the car to drop down 45 cm as he drives
suppose a 1800 kg car passes over a bump in a roadway that follows the arc of a circle of radius 204 ma what force does
a baseball infielder mass 75 kg jump up with velocity 300ms andcatches a 0150kg baseball moving horizontally at 500ms
if 201 g of he gas occupies a volume of 120 l at 25 degrees c what volume will 652 g of he gas occupy under the same
light of 475 nm passes through two small slits in theinterference pattern formed on a screen 40 m away the
a 63-kg canoeist stands in the middle of her 22-kg canoe thecanoe is 30 m long and the end that is closest to land is