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two waves and are given by the equations yi 25 sinpix 5t and y2 25 sinpix 5ta determine the equation of the
a large capacitance of 169 mf is needed for a certain application1 calculate the area the parallel plates of such a
a ladder of length l leans on a wall perpendicular to the ground the ladder starts slidingon the wall and the ground
a sphere of radius r is made of insulating material and has a total charge q but the charge density inside varies as pr
consider the long hollow cylinder shown below it has an outer radius of r04 cm and an inner radius of ri 05 cm the
two loud speakers in a plane 20 m apart and in phase with each other both emit 700hz sound waves into a room where the
use the small-angle formulas theta timesd206265 to answer the following question what is the actual diameter in
suppose we wish to create a vector of zeros using a variable sampling rate fsi if we want the vector to have a duration
the magnitude of the electric field due to some point charge is 36 nc at a point some distance say r away from the
concepts of physicscalculate the work done on a 1500-kg elevator car by its cable to lift it 400 m at constant speed
concepts of physicshow much work does a supermarket checkout attendant do on a can of soup he pushes 0600 m
britney spears is on stage in vegas being acted upon by gravity maybe even a backup dancerhere are britneys positions
a particle with charge 4 uc is located on the x-axis at the point 8 cm and a second particle with charge 8 uc is placed
you drop a rock from rest from the top of a tall building it takes 0117 s for the rock to pass by a 210-m high window
you throw a rock from the upper edge of a 800-m vertical dam with a speed of 250 ms at 650 above the horizon1 how long
magnetic nanowires tend to agglomerate when placed together due to reduced energy use appropriate assumptions for
1 you point a tennis-ball serving machine straight up and put a piece of plastic wrap across the top of the barrel
1 a 1000-w motor powers a hoist used to lift cars at a service stationa how much time would it take to raise a2450-kg
a 150-kg block of ice at 000 degc falls into lake superior which is a freshwater lake the lake water is at 100 degc and
a sealed container holds 0020 moles of ideal nitrogen n2 gas at a pressure of 15 atmospheres and a temperature of 290 k
give an example of atmospheric phenomenon that is incandescent and not
explainnbspcosmic collisions of meteorites have ignited scientist interests into the history of impact formation on
a person travels by car from one city to another with different constant speeds between pairs of cities she drives for