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a 40 kg child standing on a frozen pond throws a 05 kg stoneto the east with a speed of 5 ms negelcting friction
a toroid is a coil of wire wrapped around a doughnut-shapedring a torus for a tightly wrapped toroid with n turns the
to pass the time in the lunar space station waiting room youdecide to measure the local acceleration due to gravity on
a car with a total mass of 165103 kg has wheels ofradius 350 cm and moment ofinertia 0760 kg middotm2 suppose that the
the position of a particle is given by 025 cos 2513 t mwhere t is in s and theta is in radiansa what are the
a meterorite pluges to earth embedding itself 75cm into the ground if it does 140mj of work against friction in the
a compact disk player has just been turned off a disk decelerates uniformly from an initial angular velocity of 720
it has been proposed to use the energy stored in amassive rotating flywheel to power asmall car how would you orient
a 41 g puck moving at 200 ms hits a stationary 88 g puck and they under go an elastic collision puck 1 moves away with
a solid cylindrical disk has a radius of013 m it is mounted to an axle that is perpendicular to the circular end of the
you have your bicycle upside down for repairs with 66 cm diameterwheel spinning freely at 230 rpm the mass of the wheel
a ceiling fan is turned on and a net torque of 22 nmiddotm is applied to the blades the bladeshave a total moment of
a 50 kg skater pushes off horizontally for a distance of 04m witha force of 150n if she travels 80m before stopping
the critical angle for a certain liquid-air surface is 63deg determine the index of refraction of the liquid and the
a student makes a saturated solution of kcl and 100 g of water at 20 degrees celsius if the student leaves the solution
a person is making homemade ice cream she exerts a force ofmagnitude 16 n on the free end of thecrank handle and this
two students decided to fling balloons filled with m1681grams of ice water at coeds who are sun batheing on the roof of
a mass m is attached to a rope that passes over a disk shapedpulley of mass m and radius r the mass hangs to the left
a power plant burns coal and generates an average of 6300 mw of electrical power while discharging 99540 mw as waste
a 019 kg apple falls from a branch 35m above the ground find the power delivered by gravity to the apple when the apple
a vacuum cleaner is plugged into a 120-v socket and uses 30aof current in normal operation when the back emf generated
a 60 mum strand of dna is strretched by an optical trapfrom equilibrium untill its ends are seperated by an additional
wax an air-filled parallel-plate capacitor has acapacitance of 14 pf the separation ofthe plates is doubled and wax is
two wheels have the same mass and radius of 50 kg and 039 mrespectively one hasa the shape of a hoop and the otherb
when its coil rotates at a frequency of 280 hz a certain generator has a peak emf of 75v a what is the peak emf of the