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two small spheres a and b are moving towards each other as indicated in the figure the weights of spheres are wa9 lb
you stand on a long flatbed railroad car which you estimate weighs about 4 times your own weight initially the car
a microscope for viewing blood cells has an objective with a focal length of 057 cm and an eyepiece with a focal length
a block is on a horizontal surface a shake table that is moving horizontally with a simple harmonic motion of frequency
1 find the photon energy in electron volts for electromagnetic waves of the following frequenciesa 103 mhz in the fm
an lr circuit is hooked up to a battery as shown in the figure which the switch initially open the resistance in the
find the image location for a converging lens using the thin-lens equation for the following three questions1 what is
one million kilograms of water need to be pumped form a lake to a reservoir 85 meters above the lake if the job is to
two radio antennas separated by d 309 m as shown in the figure below simultaneously broadcast identical signals at the
a find the equivalent capacitance between points a and b for the three capacitors in parallelb what is the charge on
a very large metal sheet has charge moving over it the sheet has a surface charge density of sigma 5x10-6 cm2 the
a find the equivalent capacitance between points a and b for the five capacitors in parallelb if a 118-v emf is
a sound wave of the form s sm coskx - omegat psi travels at 345 ms through air in a long horizontal tube at one
the figure shows two blocks with the same mass m connected by a massless string over a pulley with rotational inertia i
1 find the equivalent capacitance between points a and b for the five capacitors in parallel2 if a 118-v emf is
the figure shows two 13-turn coils tightly wrapped on the same 20-cm-diameter cylinder with 10-mm-diameter wire the
the figure below shows the time variation of the current through an electrical heater when it is plugged into a 220v
the figure below shows a circuit powered by an ideal battery the following values are given r1nbsp 20r2nbsp
consider the following sentence if the standard model of particle physics is valid then neutrinos have zero mass and
in a gutball tournament against people half his age a physics professor threw his 04-kg soccer ball at a kid throwing a
translate the given verbal statement into a differential equation using appropriate mathematical notation write the
the figure above shows a 13-cm-diameter loop in three different magnetic fields the loops resistance is 010 for each
a physics instructor drives down to st louis to see his mom on the way there he travels the first half of the time at
it is 700 km from your home to the physics lab as part of your physical fitness program you could run that distance at
you are watching olympic athletes practicing archery when you wonder how fast an arrow is shot from a bow with a flash