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two charges 40x 10-8c and -20 x 10-8c are separated by 12 cm a third charge is between them with a charge of 30 x 10-8
alpha particles are accelerated through a potential difference of 1500 volts and then enter a magnetic field 04t
a particle with mass of 500 x 10-8 kg and 4c of charge with an initial horizontal velocity of vox400ms enters to a
a car is traveling with a speed of 170 ms along a straight horizontal road the wheels have a radius of 0290 m if the
white light is shone on a very thin layer of alcohol n 136 and above the alcohol layer interference maxima for two
a certain superconducting magnet in the form of a solenoid of length 0350 m can generate a magnetic field of 850 t in
a robbers getaway vehicle which can travel at 08c is pursued by a cop whose vehicle can travel at 04c realizing that he
a spaceship of length l moves with a speed 7c12 with respect to the ground a ball is thrown from the back of the ship
you have 33 tuning forks that oscillate at close but different frequencies what are the a maximum and b minimum number
hot chocolate effect tap a metal spoon inside a mug of water and note the frequency fi you hear then add a spoonful of
a space explorer a sets off at a steady 095c to a distant star after exploring the star for a short time he returns at
in a fast-pitch softball game the pitcher is impressive to watch as she delivers a pitch by rapidly whirling her arm
a planet orbits a star in a year of length 249 x 107 s in a nearly circular orbit of radius 239 x 1011 m with respect
a the captain of a ship grabs hold of the wheel with one hand a distance of 0285m from the axis of rotation to adjust
in a game of basketball a forward makes a bounce pass to the center the ball is thrown with an initial speed of 48 at
a cylindrical nsulated wire of diameter 20 mm is tightly wound 200 times around a cylindrical core to form a solenoid
a car drives over a hilltop that has a radius of curvature 120 m at the top of the hill with a speed of 200ms what is
three moles of an ideal monatomic gas expand at a constant pressure of 270 the volume of the gas changes from
an ideal transformer has 50 turns in its primary and 200 turns in its secondary 70- ac is connected to the primary what
water at 330 degc is sprayed onto 0156 kg of molten gold at 1063 degc its melting point the water boils away forming
a piece of glass has a temperature of 880 degc liquid that has a temperature of 310 degc is poured over the glass
suppose that the steel gas tank in your car is completely filled when the temperature is 155 degc how many gallons will
a trap door of length and width 145 m is held open at an angle of 650deg with respect to the floor a rope is attached
when the temperature of a coin is raised by 831 cdeg the coins diameter increases by 260 x 10-5 m if the original
a flywheel of mass 187 kg has an effective radius of 061 m assume the mass is concentrated along a circumference