An ice skater rotating at 530 rads with her arms extended
An ice skater rotating at 53.0 rad/s with her arms extended has a moment of inertia of 2.25 kg m2. If her arms are pulled in therefore the moment of inertia decreases to 1.80 kg m2, compute her angular speed?
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a lawnmower engine with an efficiency of 017 rejects 5400 j of heat every sec find the magnitude of the work that the
at the local playground a 16 kilogram child sits on the end of a horizontal teeter-totter 15 meter from the pivot point
amateur radio operators often refer to their radio waves by wavelength what are the estimated frequencies of the 160-m
a meter stick is on a pivot stand with the pivot placed at the 60 centimeter mark the mass of the stick itself is 200 g
an ice skater rotating at 530 rads with her arms extended has a moment of inertia of 225 kg m2 if her arms are pulled
the steering wheel of a car has a radius of 014 m while the steering wheel of a truck has a radius of 033 m the similar
coherent microwaves of wavelength 500 centimeter enter a tall narrow window in a building otherwise essentially opaque
a block of ice at 0c is added to a 598 gram aluminum calorimeter cup that holds 333gram of water at 177c if all but
a evaluate the kinetic energy that the earth has because of its rotation about its own axis for comparison the total
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