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two point charges q1 590 nc and q2 170 nc are separated by 450 cma what is the electric potential at a point midway
a force of 1250n is needed to move a crateweighing 3270n up a ramp that is 455m long if the elevated end ofthe ramo is
a child sits on a rotating merry-go-round 23 m from its centerif the speed of the child is 22 ms what is the
de-orbit maneuvers are done to lower the perigee of the orbit to 60 miles or less calculate the minimum change in
a thermos contains 140 cm3 of coffee at 85deg c to cool the coffee you drop two 15-g ice cubes into the thermos the ice
a 75-kg athlete does a single-hand handstand if the area of thehand in contact with the floor is 125 cm2 what
a sprinter explodes out of the starting block with an acceleration of 4ms2 which she sustains for 3 seconds then her
a water dispenser for pets has an inverted plastic bottle when acertain amount of water is drunk from the bowl more
a nickel crystal is used as a diffraction grating for x-rays then the same crystal is used to diffract electrons if the
since each rolling wheel of a railroad train is tapered the narrow part of the wheel has a tangential speed that isa
suppose a 170-kg motorcycle has two wheels and is heading toward a hill at a speed of 300 ms assume the wheels to be
find the terminal speed of man falling through earths atmosphere ignoring linear drag and focusing on quadratic drag
if the tension in the string is increased by 14 what will be the new fundamental frequency if the original was 245 hz
a bicycle rider mass of bike and rider is 85kg travelling eastat 23ms-1 changes its velocity to 23ms-1 south in 5
this is given from my notespower generationoil - 40 efficient co2 emissions gmol 70 gmolnatural gas - 23 efficient co2
your tube is a half meter long with both ends closed the speed of sound under current conditions maybe different from
batman mass 91kg jumps straight down from a bridge into a boat mass 510kg in which a criminal is fleeing the velocity
a stone is tied to a string length 0950m and whirled in acircle at the same constant speed in two different ways first
you are given the task to determine the volume of an irregular shaped object you hang it on a scale and measure its
a 17 kg object and a 23 kgobject are connected by a massless compressed spring and rest on a frictionless tableafter
a 130 kg bucket of water of is suspendedby a rope wrapped around a pulley which is just a solid cylinder0300 m in
radiation from a star reaches a planets surface at an average rate of 2700 wm2a calculate the maximum value of e and b
a sample of an unknown material appears to weight 300n in air and200n when immersed in alcohol of specific gravity 0700
what is the angular velocity of a 50 kg diver who changes the radius of gyration from 5 meters to 2 meters while in
two balls with masses of 20 kg and 60 kg travel toward eachother at speeds of 12 ms and 40 ms respectively if the