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the flywheel of an automobile engine is a solid disk with a mass of 90 kg and a radius of 19 cm and is rotating at 3900
a boy of mass mboy stands at the edge of a merry-go-round of radius r 39 m and mass mmgr and both are initially at
a child of mass 30 kg stands at the edge of a merry-go-round of mass 130 kg and radius 23 m and both are initially at
a cd radius 60 cm is spinning freely with an angular velocity of490rpm when a bug drops onto the cd a distance44cm from
suppose a 290-kg child sits 112 m to the left of center on the seesaw a second child sits at the end on the opposite
a child of mass 47 kg jumps onto the edge of a merry-go-round of mass 155 kg and radius 17 m that is initially at rest
a cubic meter of some material has a mass of 5200 kg the block of material is lowered into a lake by a strong cable
an object takes 220 s to fall 540 m on a certain planeta find the acceleration due to gravity on the planetms2b find
a kettle containing 9kg of water reached its boiling point how much energy in joules is required to boil the kettle
suppose a 69kg person stands at the edge of a 64m diameter merry-go-round turntable that is mounted on frictionless
a puck mass m1 130 kg slides on a frictionless table as shown in the figure below the puck is tied to a string that
a racetrack is to have a banked curve with radius 240 m what should be the angle of the bank if the normal force alone
a nonrotating cylindrical disk of moment of inertia i is dropped onto an identical disk rotating at angular speed w
a satellite orbits a planet of unknown mass in a circle of radius 20107mthe magnitude of the gravitational force on the
a person of mass 73kg stands at the center of a rotating merry-go-round platform of radius 35m and moment of inertia
blue light wavelength460nm is incident on a piece of potassium 22ev what is the maximum kinetic energy of the ejected
the astronaut whose heart rate on earth is 60 beatsmin increases his velocity to v8c now what is his heart rate as
a 30-60-90 prism has an index of refraction of n 16 light is normally incident on the left side of the prism as shown
most of the asteroids orbit the sun in a belt between mars and jupiter if the mean orbital radius of the asteroid belt
a 200 kg mass is connected to a spring with a spring constant of 900 nm the displacement is given by the expression xt
an incompressible fluid is flowing through a pipe with a constriction the pipe is on an incline with an angle of 300
a concave mirror with focal length 24cm is placed 40cm to the left of the object a convex lens of focal length 12cm is
a cook puts 820 g of water in a 200-l pressure cooker that is then warmed to 470degc what is the pressure inside the