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a horizontal force of magnitude 364 n pushes a block of mass381 kg across a floor where the coefficient of kinetic
a stone is thrown diagonally upward with a vertical velocity of 23ms and lands 83m away at the same heighta how high
an 840 kg roller coaster is launched from a giant springof constant k 31000 nm on a frictionless loop-the-loop track
a 65 m long pendelum is pulled back to an angle of 45 degreeswith the vertical and released from rest on the opposite
calculate the resultant velocity of an airplane that normallyflies at 200kmh if it encounters a 50-kmh tailwind if
suppose that earth grew to its present size in 10 million yearsthrough the accretion of particles averaging 100 g each
1 a force of 83 newtons is appliedto a wire with a diameter of 05 mm what is thetensile stress in si units in the wire2
an astronaut moving with a speed of 053c relative to earth measures her heartrate to be 71 beats per minutea when an
a playground merry-go-round ofradius 200 m has a moment of inertia i 325 kgm2 and isrotating about a frictionless
halleys comet moves about the sunin an elliptical orbit with its closest approach to the sun being059 au and its
a cylinder of mass 110 kg rollswithout slipping on a horizontal surfacea at the instant its center of mass has aspeed
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
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
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