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a uniform solid disk has a radius of r 052 m and mass of m 55 kg and is free to rotate about an axis through its
sodium ions na move at 0855 ms through a bloodstream in the arm of a person standing near a large magnet the magnetic
the 15 kg balls are attached to the ends of a thin rod of length 420 cm and negligible mass the rod is free to rotate
the air temperature is 8000f during a thunderstorm and thunder was timed 463 s after lightning was seen how many feet
a 5000 g pot of water at room temperature 200c is placed on a stove how much heat is required to change this water to
two identical coaxial coils of wire of radius 397 cm are directly on top of each other separated by a 303 mm gap the
a circular armature coil is used in a motor with a uniform magnetic field of 180 t the coil has a diameter 95 cm a
consider a generator with a 350 turn coil on its armature and a uniform magnetic field of 54 t the diameter of the coil
the vertical deflecting plates of a typical classroom are a pair of parallel square metal plates carrying equal but
a 620 g basketball is pushed up a 30deg ramp the ball starts from rest and the length of the surface of the ramp is 5 m
in 1926 albert michelson measured the speed of light with a technique similar to that used by fizeau michelson used an
a 150 g trick baseball is thrown at 63 kmh it explodes in flight into two pieces with a 35 g piece continuing straight
an alpha particle charge 2e moves with velocity v 50i - 30j in a magnetic field b -40i 25j where b is in teslas and
a 44 cm tall object is placed 27 cm in front of a convex spherical mirror it is desired to produce a virtual image that
a racetrack has the shape of an inverted cone on this surface the cars race in circles that are parallel to the ground
a rope hangs from a cylinder over which it is wound of radius 020 m and mass 400 kg and is attached to a hanging mass
suppose the skate boarder shown in problem 38 cutnell amp johnson 9th ed reaches a highest point of h18 m above the
three blocks each of mass 14kg are on a frictionless table a hand pushes on the left most boxa such that the three
a long thin massless rod of length l rotates in a vertical plane about a frictionless pivot point at the end of the rod
a mass of 5 0 kg is resting on a horizontal frictionless surface it is attached to a spring which has a spring constant
a mass m is confined to move along a straight line in a potential well given by ux - eo1 xa23 where a and eo are
a mass m 3 kg is hanging from an ideal string which is passed over a fixed frictionless pulley and then is attached to
the density of a 361 m long rod can be described by the linear density function lambdax 103 gm 103x gm2 one end of
in a parking lot an suv of mass 2000 kg driving at 5 ms collides head on with a sports car of mass 1000 kg driving in
a ball is thrown upward at 20 ms from the top of a building which is 100 meter high another ball is thrown downward