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a wooden plank is placed over a pit that is 500 m wide a student stands in the middle of the plank and begins jumping
what assumptions can be made about the radiation per unit areaof a blackbody is there a standard area of black body
two blocks are connected by a rope that passes over a set ofpulleys one block has a weight of 908n the rope andthe
a potters wheel moves from rest to an angular speed of 016revs in 26 s find its angular acceration in radians per
write a molecular complete ionic and net equation for the reaction that occur if any when solutions of the following
a -600 microc charge is moving with a speed of 800 104 msparallel to a very long straight wire the wire is 500 cm
the angle of incidence at a solidliquid boundary is599deg and the index of refraction of the solid is n 152 a what must
x-rays of wavelength 00963nm are directed at an unknowncrystal the first diffraction maximum is recorded when the
how much dry solute would you take to prepare each of the following solutions from the dry solute and the solventa 130
a mass m of 016 kg is attached to the end of a spring andreleased from rest at t 0s from an extended positionxmax 32
a 1200kg car traveling initially at v initial of 25ms in aneasterly direction crashes into the back of a 9000kg truck
a basketball player makes a jump shot the 0700-kg ball isreleased at a height of 180 m above the floor with a speed of
a single conservative force acts on a 500kg particle the equation fx 2x 4 ndescribes this force where x is in meters
a 153 kg ball is attached to a ceiling by a 306 m longstring the height of the room is 512 m the acceleration of
a garden hose having with an internal diameter of 20 cm is connected to a stationary lawnsprinkler that consists merely
an inductor has the form of a coil with 1750 turns and a diameter of 13 mm the inductor is placed in a magnetic field
an electron is released from rest in a uniform electric field ofmagnitude 300 104 nc calculate the magnitude of the
an electron is moving through a region of space which possessesa uniform electric field and uniform magnetic field the
four equal masses m are located at the corners of asquare of side script i connected by essentially massless rodsfor
an oscillating lc circuit has a current amplitude of850 ma a potential amplitude of 250mv and a capacitance of 235 nfa
the chamber of a rock-tumbling machine is a hollow cylinder withmass 60 g and radius 71 cm the chamberis closed off by
an electric motor is used to lift an elevator and its load to aheight of 20m the time taken for the job is 20swhat is
the drawing shows three situations in which a block is attached toa spring the position labeled ldquo0 mrdquo
a 2000kg car starts from rest at the top of a 500m longdriveway that is sloped at an angle of 20 degrees with
water is circulating through a closed system of pipes in a two floor apartment on the 1st floor the water has a gauge