Two moons orbit a planet in nearly circular orbits moon a
Two moons orbit a planet in nearly circular orbits. Moon A has orbital radius r, and moon B has orbital radius 4r. Moon A takes 20 days to complete one orbit. Find how long does it take moon B to complete one orbit?
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a boat which has a speed of v 120 ms in still water heads directly across a river which has a current of 700 ms and is
an athlete swings a 490 kilogram ball horizontally on the end of a rope the ball moves in a circle of radius 0990 meter
a 500 kilogram child stands at the rim of a merry-go-round of radius 160 meter rotating with an angular speed of 285
an arrow of mass 20 gram is shot horizontally into a bale of hay striking the hay with a velocity of 60 ms it
two moons orbit a planet in nearly circular orbits moon a has orbital radius r and moon b has orbital radius 4r moon a
a cyclist does work at the rate of 500 watt while riding obtain how much force does her foot push with when she is
a long coaxial cable consists of an inner cylindrical conductor with radius a isolated from an outer coaxial
a current of 170 ma is maintained in a single circular loop of 150 m circumference a magnetic field of 0710 t is
a 85 kilogram crate sits in a 280 kilogram boat find what is the acceptable range of forces that a boat propeller can
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