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a roller coaster car mass m is on a track that forms a circular loop radius r in the vertical plane if the car is to
a 10 meter uniform beam of weight 100 newton is supported by two ropes at the ends if a 400 newton person sits at 2
a scalloped hammerhead shark swims at a steady speed of 11 meter per second with its 90 centimeter wide head
you are the technical consultant for an action-adventure film in which a stunt calls for the hero to drop off a 249
the component of the external magnetic field along the central axis of a 78-turn circular coil of radius 35 centimeter
suppose that an average city uses about 85 x 1013 joule of energy in a day a typical nuclear power plant converts 001
determine how much work w must be done on a particle with a mass of m to accelerate it from a speed of 0892c to a speed
a determine how much work is required to accelerate a proton from rest up to a speed of 0980 cb find what would be the
find what minimum amount of electromagnetic energy is needed to produce an electron and a positron together a positron
a fictional news reports stated that starship enterprise had just returned from a 10 y voyage while traveling at 080 ca
a friend speeds by you in her spacecraft at a speed of 0750 c it is measured in your frame to be 460 meter long and 135
a 1 lb toy car starts at rest and travels down a 45 degree slide find the fastest speed of the car as it travels down
in an earth reference frame a star is 83 light-years awaydetermine how fast you would have to travel therefore that to
an ac generator supplies an rms voltage of 850 volt to an rc circuit at a frequency of 187 khz the rms current in the
you hit a 02 kilogram golf ball up at 40o from the horizontal it travels for 486 second and stops on an elevated green
riders on the tower of doom an amusement park ride experience 20 second of free fall after which they are slowed to a
electrons accelerated by a potential difference of 123 volt pass through a gas of hydrogen atoms at room
a series r-l-c circuit of r 200 omega l 0900 h and c 200 microf carries an rms current of 0250 amp with a frequency
a thin film of acetone n 125 coats a thick glass plate n150 while light is incident normal to the film in the
a ferrari with a mass of 1600 kilogram approaches a freeway underpass that is 13 meter acrossfind at what speed must
a 11 kilograms object is released 500 kilometer above the earth the impact speed as it hits the ground is 31305 meter
an air-filled capacitor consists of two parallel plates each with an area of 760 cm2 separated by a distance of 180
in an ionic solution 50 times 1015 positive ions with charge 2enbsppass to the right each second while 60 times 1015
a 2 centimeter diameter parallel plate capacitor with a spacing of 050 millimeter is charged to 200 voltdetermine the
a 4 millimeter tall object is 225 centimeter from the center of a silvered spherical glass christmas tree ornament 595