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a proton and an electron have the same kinetic energy upon entering a region of constant magnetic field what is the
lead has a critical temperature of 7 2 k and a critical field at 4 2 k of 430 acm a what is the critical field at t 1
consider a dielectric material with dielectric constant e and with a given free charge distribution per unit volume f
a long horizontal wire carries a current of 48 a a second wire made of 25-mm-diameter copper wire and parallel to the
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imagine you are holding an object in your hand with your forearm horizontal and your upper arm vertical so your elbow
pre-lab questions1 what makes up the total energy of a system2 mathematically what similarities do gravitational
when a voltage of 120 v is applied across the two ends of a cylindrical wire of length l radius r and resistivity an
a parallel plate capacitor has a surface area of a 332 cm2 and a plate separation of d 133 mm how much charge does
a compound microscope has a barrel whose length is 183 cm and an eyepiece whose focal length is 12 cm the viewer has a
the potential difference between two parallel conducting plates in vacuum is 475 v an alpha particle with mass of
a very straight line of charge runs through the axis of a very long thin cylindrical shell of 2 cm radius the shell is
a bullet of mass mb is fired horizontally with speed v1 at a wooden block of mass mw resting on a frictionless table
an ice skater rotating 385 rads with arms extended has a moment of inertia of 231 kgm2 if the arms are pulled in so the
an uncharged nonconductive hollow sphere of radius 120 cm surrounds a 140 microc charge located at the origin of a
consider a closed triangular box resting within a horizontal electric field of magnitude e 824 104 nca calculate the
a capacitor is connected across the terminals of an ac generator that has a frequency of 430 hz and supplies a voltage
the earths nearly circular orbit around the sun has a diameter of 300 million km assuming it takes 365 days for the
a 7kg squirrel walks to the end of a 15 kg board resting on two saw horses when the squirrel is at the 1m position away
an arrow is shot at an angle of theta45 above the horizontal the arrow hits a tree a horizontal distance d220m away at
a baseball is thrown from the roof of 231 -tall building with an initial velocity of magnitude 115 and directed at an
the drawing shows a side view of a swimming pool the pressure at the surface of the water is atmospheric pressure the
two children fighting over a 20-kg toy pull on the toy in different directions one child pulls to the north with a
consider a star of mass m10msun composed entirely of fully ionized c-12 its core temperature is 6108k suppose the star
consider a star of mass m10msun composed entirely of fully ionized c-12 its core temperature is 6108k a what is the