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a positive charge of 440 microc is fixed in place from a distance of 4 centimeter a from the fixed positive charge a
determine how much energy is required to raise the temperature of 1000 gram of ice initially at 20oc to 120oc
in her job as a dental hygienist kathryn uses a concave mirror to see the back of her patients teeth when the mirror is
a copper wire with resistivity 172 x 10-8 omegabullm is 750 meter long and 25 millimeter in diameter evaluate what is
a hydrogen atom is excited to the n 11 level its decay to the n 7 level is detected in a photographic plate obtain
a particle of mass 05 gram charge of 25 x 10-8 c and a speed 6 x 10-4 meter per second find the magnitude and direction
a proton mass 167times10-27 kilogram charge 16 times 10-19 c travelling with speed 1 times 106 ms enters a region of
an object is placed 174 centimeter in front of a convex mirror the image being 061 centimeter behind the mirror a
a certain species of ionized atoms produces an emission line spectrum according to the bohr model but the number of
two small spheres carrying charges of 30 microc and -50 microc are 100 centimeter apart find the potential at a point
an alpha particle helium nucleus moves in a particle accelerator where the potential difference is 25 mv if it starts
two separate radioisotopes a and b with two different half lives t12a302 days and t12b828 days are used in a laboratory
a battery has an emf e and an internal resistance r when the battery is connected to a 20 omega resistor the current
a block is weighing 100 newton is pushed on a horizontal table at constant velocity by a 25 newton force oriented
an electron and a proton move in circular orbits in a plane perpendicular to a uniform magnetic field ba obtain the
a ball of clay weighing 05 kilogram is thrown at a pendulum bob at rest weighing 4 kilogram the clay is thrown with a
a ball is dropped from rest from a tower and falls for 3 sec before it hits the ground estimate how high is the tower
find what angle does the vector that points from the origin of the x-y plane to the point 20 30 make with respect to
a wrench is used to loosen a diamond-headed bolt the distance between the head of the bolt and where the force is
two identical capacitors are connected in parallel and each acquires a charge qo when connected to a voltage source vo
a 10 kilogram block rests on the edge of a spinning merry-go-round a horizontal spinning disk the radius of the
many biological psychologists hold to the position of biological reductionism or determinism they explain complex
a carnot engine has 40 gram of helium gas as its working substance it operates between two reservoirs of temperatures
an understanding of the brain is basic to biopsychology and all of neuroscience the following question about the
assignment involves recognizing examples of motivation and emotion concepts in a movie television show or book 1 first