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compute what is the diameter to the nearest tenth of an mm of a tungsten wire that has the same resistance as a copper
a merry-go-round of radius r20m has a moment of inertia i250kg m2 and is rotating at 10rpm a child whose mass is 25 kg
a 732 kilogram car stopped at an intersection is rear-ended by a 1720 kilogram truck moving with a speed of 155 ms if
a skier starts at rest at the top of a large hemispherical hill with radius height r neglecting friction show that the
a 39 kilogram block is pull by horizontal force of 50 newton along rough horizontal surface at a constant velocity
a tetrahedral is attached to a swivel in the ceiling by a light cord of length l when the ball is hit by a paddle it
the cosmic rays of highest energy are protons that have kinetic energy on the order of 1013 meva find how long would it
an auditorium of size 40m x 20m x 8m has 600 people init the temperature of the air is 27oc it takes 29 joule of
a 420-kg boy riding a 290-kg skateboard at a velocity of 540ms across a level sidewalk jumps forward to leap over a
a 500 g object moving to the right at200cms makes an elastic head-on collision with a 100 g object that is initially at
the mass of robot is 5450 kilogram this robot weighs 3620 newton mass on planet a than it does on planet b if the
a 580 kg girl weighs herself by standing on a scale in an elevator as it is moving up the force exerted by the scale is
two cars are traveling at the same speed of 23 ms on a curve that has a radius of 116 meter car a has a mass of 1030
a proton is released from rest accelerate from one point to another and gain kinetic energy because there is a
a penny is located at the outer edge of a disk radius 0129 meter that rotates about an axis perpendicular to the plane
a stationary proton q160106 c is located among the poles of a horseshoe magnet where the magnetic field strength is 015
an electronics technician has three resist on 203060 that she can put into a circuil draw all the possible combinations
a student weighting 800 newton crouches on a scale and suddenly springs vertically upward his roommate notices that the
a space station is constructed in the shape of a hollow ring of mass 495 x104 kilogram members of the crew walk on a
light falling normally on a 800 linecm grating produces a spectrum that contains three lines in the second order m2 at
a 440 gram marble moving at 210 meter per second strikes a 220 gram marble at rest evaluate the speed of each marble
an artificial satellite in a circular orbit around the sun has a period of eight years decide the ratio of the
an artillery shell accelerates in the barrel of a gun with an acceleration of 10000 ms2 for 004 second and is fired at
two long parallel wires are shown in the figure below they are separated by a distance l 170 cm the bottom wire
a hiker who weighs 810 newton is strolling through the woods and crosses a small horizontal bridge the bridge is