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a playground merry-go-round of radius r 180 meter has a moment of inertia i 250 kgbullm2 and is rotating at 90 revmin
a pendulum swings through a maximum arc of 1 degree in 1 second later the pendulum is made to swing through a max of
a converging lens f1 260 cm is placed 580 centimeter to the left of a diverging lens f2 -300 cm an object is located
a cubical box is 0185 meter on an edge this box is floating in a lake with 15 of its height beneath the surface the
a man wears contact lens with a focal length f -85 meter is this person farsighted or nearsighted explain find the
a concave mirror of radius of curvature 24 centimeter forms an image such that di -2do compute the object distance do
a real heat engine working between heat reservoirs at 970 k produces 550 joule of work per cycle for a heat input of
a cord is wrapped around the rim of a solid uniform wheel 0300 rm m in radius and of mass 900 rm kg a stable horizontal
an empty rubber balloon has a mass of 00110 kilogram the balloon is filled with helium at a density of 0181 kgm3 at
a nozzle of inner radius 105 mm is connected to a hose of inner radius 800 mm the nozzle shoots out water moving at253
a steady beam of alpha particles q 2e traveling with constant kinetic energy 18 mev carries a current of 030 microaa
an underwater scuba diver sees the sun at an apparent angle of 450 degree from the vertical determine the actual
the length of the column of mercury in thermometer is 40 centimeter when the thermometer is immersed in ice water and
a cylindrical disk has volume 89810-3 m3 and mass 798 kg the disk is floating on the surface of some water with its
the owner of a van installs a rear-window lens that has a focal length of -0295 m when the owner looks out during the
when its coil rotates at a frequency of 254 hz a certain generator has a peak emf of67 v1nbspdecide the frequency of
a weight lifter struggles but manages to keep a heavy barbell above his head infrequently he slips and the barbell
the figure below shows a thin uniform bar of length d 111 m and mass m 082 kg pivoted at the top the rod which is
two disks of identical mass however different radii r and2r are spinning on frictionless bearings at the same angular
an ac generator consists of 8 turns of wire in a coil or loop the cross-sectional area of the loop is a009 m2 by a
calculate the linear momentum and angular momentum of a frisbee of mass 0126 kg if it has a linear speed of195 ms and
ten grams of ice at -20degc is to be changed to steam at130degc the specific heat of both steam and ice is 05 calg degc
what must be the resistance of a heating coil which will be utilized to raise the temperature of 500 g of water from 28
a spaceship is approaching a space station at a speed of18 x 105 ms the space station has a beacon that emits green
a transformer is to be used to give power for a computer disk drive that needs 60v rms instead of the 120 v rms from