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a jet airliner moving initially at 300 mih to the east abruptly enters a region where the wind is blowing at 100 mih
to decide the amount of temporary hearing loss loud music can cause in humans researchers studied a group of 20 adult
the box of a well-known breakfast cereal states that one ounce of the cereal contains 110 calories 1 food calorie
assume that you wish to construct a simple ac generator with an output of 12 v maximum when rotated at 60 hz a magnetic
a family ice show is held in an enclosed arena the skatersrsquo perform to music playing at a level of 885 db this
a man walks into an electric field by a small charged object that has a charged value of 42e-6c at a distance of 10m
at time t 0 in the galaxy frame of reference civilization a launches its first interstellar spacecraft civilization b
the average coefficient of volume expansion for carbon tetrachloride is 581x10-4 if a 500 gal steel container is full
monochromatic green light of wavelength 7165 nm illuminates two parallel narrow slits 735 mum apartcompute the angular
a 90 kg astronaut completes repairs on a 470 kg communications satellite and then pushes off from the satellite when no
a gas changes in volume from 0870 m3 to 0200 mnbsp 3 at a constant pressure of 130105 pa1 how much work is done on the
decide the r value for a wall constructed as follows the outside of the house consists of lapped wood shingles placed
two children hang by their hands from the same tree branch the branch is straight and grows out from the tree trunk at
workers have loaded a delivery truck in such a way that its center of gravity is only slightly forward of the rear axle
an atomic bomb is rated at 10 megaton tnt equivalents 1 ton tnt equivalent is equal to 4184 mega joules of energy how
evaluate each of the following as true or falsemonochromatic light has one wavelengthfluorescent lights are a source of
compute the temperature at which a tungsten filament that has an emissivity of 035 and a surface area of 30 10-5 m2
a 78 kg cross-country skier glides over snow as in the figure below the coefficient of friction between skis and snow
measurements on two stars indicate that star x has a surface temperature of 6127degc and star y has a surface
a golfer putting on a green needs three strokes to hole the ball through the first putt the ball rolls 52 m due east
discuss the ways we can generate electricity discuss the dissimilarity between magnetic pole and electric fields give
the clock that rings the bell known as the big ben has an hour hand that is 90 feet long and a minute hand that is 14
a softball of mass 0220 kg that is moving by a speed of 70 ms in the positive direction collides head-on and
an explosion breaks an object into two pieces one of which has 160 times the mass of the other if 8000 j were released
a car is traveling at 45ms passes a tropper hidden behind a billboard two seconds after the speeding car passes the