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a wedding ring of diameter 199 cm is tossed into the air and given a spin resulting in an angular velocity of 23
two light sources are used in a photoelectric experiment to determine the work function for a particular metal surface
electrons are ejected from a metallic surface with speeds ranging up to 45 105 ms when light with a wavelength of 625
an object of mass 661 kg is released from rest and drops 190 m to the floor the collision is completely inelastic how
a 165 kg mass is placed on the end of a spring that has a spring constant of 195 nm the mass-spring system rests on a
1 an object is initially moving with a speed of 100 ms in the direction 600 degrees n of e ten seconds later the object
a 700-g block is released from rest at an initial height above a vertical spring with constant k400nm and negligible
an electron orbits a proton at a radius of 540 10-11 m what is the magnitude of the magnetic field at the proton due to
a simple gaussmeter for measuring horizontal magnetic fields consists of a stiff 42 cm wire that hangs from a
two tugboats pull a disabled supertanker each tug exerts a constant force of 120times106n one at an angle 170 degrees
you are standing at rest with respect to the earth holding a lance which you measure as 10 meters long a knight
a 111 kg block slides down a 240 m long 280deg incline at constant velocity how much work is done by
a block of mass 2 kg travels along a horizontal frictionless surface with velocity 3 ms the mass collides with another
find the inertia tensor for a uniform thin hollow cone such as an ice-cream cone of mass m height h and base radius r
two 10-cm-diameter charged rings face each other 160 cm apart both rings are charged to 500 nc what is the electric
a space vehicle is traveling at 3690 kmh relative to earth when the exhausted rocket motor is disengaged and sent
asterix and obelix are standing on skateboards on level ground 2 m apart obelix holds a ball of mass 1 kg the mass of
a circuit consists of a resistor in series with an inductor and an ac generator that supplies a voltage of 115 v the
an air conditioner draws 14 a at 220-v ac the connecting cord is copper wire with a diameter of 1758 mma how much power
two kids are on a merry-go-round the boy located 3m from the center of the merry-go-round is feeling a centripetal
a doubly charged helium atom whose mass is 6610-27 kg is accelerated by a voltage of 3000 vwhat will be its radius of
a roller coaster goes through a complete loop if the train is given an initial speed of v0 30 ms what is the largest
determine the magnitude of the force on an electron traveling 365times105 ms horizontally to the east in a vertically
you have the following rc circuit v52v c1x10-6 f and r 31 mohms the circuit is initially uncharged it is the allowed to
in a series circuit a generator 1500 hz 140 v is connected to a 180- resistor a 430-f capacitor and a 510-mh inductor