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the planet neptune has a satellite proteus which travels in an orbit 1180108 m with a period of 112 days calculate the
a solid metal sphere of radius a 130 cm is surrounded by a concentric spherical metal shell of inner radius b 190 cm
a light string can support a stationary hanging load of 270 kg before breaking a 280 kg object attached to the string
a reasonable estimate of the moment of inertia of an ice skater spinning with her arms at her sides can be made by
the person in figure p535 weighs 165 lb as seen from the front each light crutch makes an angle of 240deg with the
a 40 cm-diameter potters wheel with a mass of 27 kg is spinning at 180 rpm using her hands a potter forms a pot
consider a neutron star whose mass is twice the mass of the sun and whose radius is 141 km if it rotates with a period
the critical angle for total internal reflection at a liquid-air interface is 450circ1 if a ray of light traveling in
our milky way galaxy is 100000 ly in diameter a spaceship crossing the galaxy measures the galaxys diameter to be a
a parallel-sided plate of glass having a refractive index of 158 is in contact with the surface of water in a tank a
a 80 bike racer climbs a 1500 -long section of road that has a slope of 43 degreesby how much does his gravitational
a cockroach of mass m lies on the rim of a uniform disk of mass 700 m that can rotate freely about its center like a
an aerosol can is pressured at 440kpa when its refrigerated at 3 degree celsius the can warns against temperatures in
you are standing at 90 km lightning bolt 1 at x 0km and lightning bolt 2 at x 120km both flashes reach your eye at
a 18 book is lying on a 070 -high table you pick it up and place it on a bookshelf 23 above the floor1 how much work
a boy on a skateboard coasts along at 60 ms he has a ball that he can throw at a speed of 10 ms1 what is the balls
a 130-g wad of sticky clay is hurled horizontally at a 90-g wooden block initially at rest on a horizontal surface the
a neutron in a nuclear reactor makes an elastic head-on collision with the nucleus of a carbon atom initially at resta
a camera lens is initially set at f16 for a shutter speed of 1160s if the amount of lighting on the subject is
consider a vibrating piano string the string is under a tension t has a length l and diameter d consider a second
a person has far points 721cm from the right eye and 97cm from the left eye what are the powers of the corrective
a metal wire 10mm in diameter and 25m long hangs vertically with a 48-kg object suspended from it if the wire stretches
an l-r-c series circuit with an inductance of 0123 h a resistance of 240 omega and a capacitance of 729 micro f
a 300-g mass at the end of an ideal spring vibrates up and down in such a way that it is 20 cm above the tabletop at
in a microscope the length of a tube is 20cm the focal length of the objective is 100cm and the focal length of the eye