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a spoon is raised 210 centimeter above a table if the spoon and its contents have a mass of 300 gram find the
there is a square loop with a current going clockwise inside of a solenoid with a current going clockwise the loop is
an 861 kg block of ice at 0 degreecelsius is sliding on a rough horizontal ice house floor also at 0 degreecelsius at
a 10 kilogram mass hangs on a rope wrapped around a freely rotating 2 kilogram cylinder of radius 10 centimeter
many satellites are moving in a circle in the earths equatorial plane they are at such a height above the earths
a 100 kilogram man is three fourths of the way up a 10 meter ladder that is resting against a smooth frictionless wall
a cycle wheel with a mass of 25 kilogram and a radius of 33 centimeter rolls across a horizontal floor with a
a pendulum is made up of a 20 kilogram mass suspended on a thin aluminum wire this pendulum has a period of exactly 40
a rope is wrapped around a wheel of diameter 50 centimeter the wheel is mounted with frictionless bearings on an axle
ten days after it was launched toward mars in december 1998 the mars climate orbiter space craft mass 629 kilogram
a nichrome heater dissipates 1250 w when the applied potential difference is 240 volt and the wire temperature is
two parallel-plate capacitors 20microf each are connected in series to a 90 volt battery one of the capacitors is then
responding to an alarm a 102 kilogram fireman slides down a pole to the ground floor 33 meter below the fireman starts
a uniform drawbridge must be held at a 37 deg angle above the horizontal to allow ships to pass underneath the
two vehicles collide head on while each is traveling at 72 kmhr assume all their kinetic energy is transformed into the
a 45 efficient device uses chemical energy to generate 420 j of electric energyhow much chemical energy is usednbspa
a horizontal pipe contains water at a pressure of 150 kpa flowing with a speed of 17 ms the pipe narrows to one half
a wooden plank rests on 2 soup cans laid on their sides each can has a diameter of 65 centimeter and the plank is 30
a 150 kilogram bucket of water is suspended by a very light rope wrapped around a solid uniform cylinder 0300 meter in
a goldfish is swimming at 320 cms toward the front wall of a rectangular aquarium the index of refraction of water is
anne is farsighted the nearest object she can see clearly without corrective lenses is 19 meter away it is 18
a ball rolls off an incline at a velocity of 22ms the angle of the incline is 32 degree and the height of the incline
two parallel plate capacitors have circular plates the magnitude of the charge on these plates is the same but the
an astronaut at rest on earth has a heartbeat rate of 75 beatsmin when the astronaut is traveling in a spaceship at
if astronauts could travel at v 0980c we on earth would say it takes 420 0980 429years to reach alpha centauri 420