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two runners a and b start from the opposite end of a 150 m track and at the same instant begin running from rest toward
two separate but similar coils of wire are mounted close to each other as shown at right the first coil is connected to
two blocks are attached by a string of negligible mass which passes through a stationary pulley of negligible friction
two separate strings are attached to a spherical bob having a mass of 300 grams and to a central vertical rod as shown
a two slit interference experiment is carried out carefully with sodium light lambda 589nm fringes are measured
a steel ball of mass m moving at velocity y0 collides with another steel ball of mass 4m which is not moving the
two speakers separated by a distance of 430 m the speakers are in phase with one another a person listens from a
two spheres with uniform surface charge density first with a radius of 71 cm and the second with a radius of 48 cm are
a two-stage rocket moves in space at a constant velocity of 4300 ms the two stages are then separated by a small
two students hold a long wire and rotate it across the earths magnetic field so that the wire traces a circular path of
two thin infinite sheets of insulating material with charge densities sigma 1 2 x 10-6 cm2 and sigma 2 5x10-6 cm2 are
a machine lifts a mass of 3 kg a distance of 8 meters in 6 secondsfinda the force of gravity on the massb the energy
an object of mass m is tied to a light string wound around a wheel that has a moment of inertial i and radius r the
two carts cart 1 2 kg and cart 2 4 kg as in the figure moving in the same direction collide together and stick with
to save an animal tarzan m 100 kg swings from a 5 m long rope that makes an angle of -60 degree with the horizontal
two wires are the same diameter but wire a is three times the length of wire b what is the ratio of the heat produced
the two wires shown in the figure below are separated by d 88 cm and carry currents of i 480 a in opposite
a typical gamma ray emitted from a nucleus during radioactive decay may have an energy of 340kev what is its
the first law of thermodynamics which states that energy is conserved does not specify the direction in which
an unidentified flying object ufo streaks across the sky at a speed of 999 c relative to the earth a person on earth
a uniform 1000g one-half-meter stick is suspended by a short chain of negligible mass passing through a small hole at
a uniform 163 kg 6m beam is held at rest by a vertical post s2 m from its right end and a vertical cable attached to
the uniform 330 mt magnetic field in the figure points in the positive z-direction an electron enters the region of
a uniform aluminum beam 900 m long weighing 273 n rests symmetrically on two supports 455 m apart see figure a boy
a uniform electric field of magnitude e 36 nc points along the x-axis a circular loop of radius r20cm is centered at