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an x-ray tube is similar to a cathode-ray tube electrons are accelerated to high speeds at one end of the tube if they
an airplane is flying with a velocity of 920 ms at an angle of 230 above the horizontal when the plane is a distance
sheena can row a boat at 310 mih in still water she needs to cross a river that is 111 mi wide with a current flowing
a pinball bounced around its machine before resting between two bumpers before the ball came to rest its displacement
in an action movie the villain is rescued from the ocean by grabbing onto the ladder hanging from a helicopter he is so
a football is kicked straight up into the air it hits the ground 34s later what was the greatest height reached by the
steam enters an isentropic turbine at an initial condition of 35 mpa and 400degc and leaves at a pressure of 175 kpaa
the potential difference between the surface of a 25cm -diameter power line and a point 16m distant is 41kv what is the
a small mailbag is released from a helicopter that is descending steadily at 213 msa how far is it below the
a small mailbag is released from a helicopter that is descending steadily at 213 msa after 500 s what is the speed of
bill can throw a ball vertically at a speed 12 times faster than joe can how many times higher will bills ball go than
a closed gaussian surface in the shape of a cube of edge length 250 m it lies in a region where the nonuniform electric
during liftoff a hot-air balloon accelerates upward at a rate of 35 the balloonist drops an object over the side of
two ships are floating at rest in the ocean somewhere ship a 1100kg with an escape pod onboard fires an escape pod
two ufos collide over roswell new mexico before the collision ufo a mass 1000000kg has a velocity of 10000ms and ufo b
a garden has a circular path of radius 50rm m john starts at the easternmost point on this path then walks
a line of charge with a non-uniform charge density ay where a400 ncm2 lies along the y axis in the region 0y110 m
one particle has a mass of 400 10-3 kg and a charge of 9 microc a second particle has a mass of 700 10-3 kg and the
a ball is thrown from the brink of a cliff 150 m high with an initial velocity of v0 70 ms at an angle q0 260 o above
a power station delivers 510 kw of power at 12000 v to a factory through wires with total resistance 35 how much less
compute the voltage drop along a 28 m length of household no 14 copper wire used in 15 a circuits the wire has diameter
the cliff divers of acapulco push off horizontally from rock platforms about 35m above the water but they must clear
a 100 uf capacitor is connected in parallel with a 200 uf capacitor the 100 uf capacitor carries a charge of 10 uc on
a large research balloon containing of helium gas at 100 and a temperature of 150 rises rapidly from ground level to an
sheena can row a boat at 301 mih in still water she needs to cross a river that is 126 mi wide with a current flowing