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an inductor with an inductance of 230h and a resistance of 800 omega is connected to the terminals of a battery with an
a diverging lens f -11 cm islocated 21 cm to the left of a converging lens f 340 cm a 2-cm-tall object stands to the
two converging lenses are separated by 2700 cm the focallength of each lens is 1700 cm an object is placed 3200 cm
a lid is put on a box that is 18 cm long17 cm wide and 80 cm tall and the box is then evacuated until its inner
a disk and a hoop of the same mass and radius are released at the same time at the top of an inclined plane the height
a mortar fires a shell of mass m at speed vo the shellexplodes at the top of its trajectory as designed however
a boy of mass 525 kg is initially on askateboard of mass 200 kg moving at a speed of 101 ms the boy falls off the
under the influence of its drive force a snowmobile is movingat a constant velocity along a horizontal patch of snow
a 184 kg cart traveling at 563 ms this movement defines thepositive direction has a head on perfectly inelastic
a cd radius 60cm is spinning freely with an angular velocity of 400 rpm when a bug drops onto the cd a distance of 45cm
a uniform horizontalboard 230m long is in static equilibrium it is supported 050m from its left end while a vertical
a light ray is incident on the outer surface of the vitreous humor at an angle of 420deg with the normal find the angle
one of james bonds adversaries is standing on a frozen lake there is no friction between his feet and the ice he
the drawing shows a sulfur dioxide molecule it consists of twooxygen atoms and a sulfur atom a sulfur atom is twice as
an undersea research chamber is spherical with an external diameterof 490 m the mass of the chamber when occupied
a disk-shaped merry-go-round of radius263 m and mass 135 kg rotates freely with an angualr speed of 621revs a 654 kg
a skier starts from rest at the top of a hill the skier coastsdown the hill and up a second hill as the drawing
a baseball player pitches a fastball toward home plate at aspeed of 47 ms the batter swings connects with the ball of
a 210-kg crate is being pushed across a horizontal floor by aforce p that makes an angle of 186deg below the horizontal
the left end of a long glass rod 800 rm cm in diameter with an index of refraction 160 isground to a concave
a solid cube of mass 40kg and edge length 30mrests on a horizontal floor a person then pushes on the upper edge of the
a wheel is made of two solid metal disks glued together thecombined moment of inertia of the wheel is 452 kg-m2
most alpha particles fired at a gold foil pass through undeflected because thegold atoms unlike most other metal atoms
a wind turbine consists of three metal rods each of mass 98kg and length 68 m connected at their ends to a central axle
a man stands on a platform that is rotating without friction withan angular speed of 194 revs his arms are outstretched