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an electric turntable 0750 meter in diameter is rotating about a fixed axis with an initial angular velocity of 0250
a cyclist travelling at 50 ms uniformly accelerates up to 100 ms in 20 sec each tire of the bike has a radius of 35
an object is placed 20 centimeter from a first converging lens of focal length 106 centimeter a second converging lens
a long narrow rectangular loop of wire is moving toward the bottom of the page with a speed of 0020 ms the loop is
an aluminum rod is 185 centimeter long at 20degc and has a mass of 350 gram if 10500j of energy is added to the rod by
a 50 meter long rod is stretched by a force therefore that it measures 510 meter calculate what is the strain in the
when the current in a toroidal solenoid is changing at a rate of 00260 as the magnitude of the induced emf is 126 mv
objects a and b have the equal mass of 34 kilogram and are at their melting points they melt when 42 times 104 j of
a string 270 centimeter long and fixed at both ends of a musical instrument oscillates in its n 1 mode the speed of
the vapor pressure of water at 10 degc is 1300 paa find what percentage of atmospheric pressure is this take
a toroidal solenoid with mean radius r and cross-sectional area a is wound uniformly with n1 turns a second toroidal
a a pulsed ruby laser emits light at 6943 nanometer consider an 117 ps pulse containing 738 j of energy compute the
the fm radio band covers the frequency range from 88 mhz to 108mhz if the variable capacitor in an fm receiver ranges
a evaluate the kinetic energy that the earth has because of its rotation about its own axis for comparison the total
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
coherent microwaves of wavelength 500 centimeter enter a tall narrow window in a building otherwise essentially opaque
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
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
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
amateur radio operators often refer to their radio waves by wavelength what are the estimated frequencies of the 160-m
at the local playground a 16 kilogram child sits on the end of a horizontal teeter-totter 15 meter from the pivot point
a lawnmower engine with an efficiency of 017 rejects 5400 j of heat every sec find the magnitude of the work that the
citizens band cb radio uses radio waves with frequencies near 27 mhz what are the wavelengths of these waves and how
a 02 kilogram plastic cart and a 20 kilogram lead cart can both roll without friction on a horizontal surface same
a beam of light in air strikes a glass lab at common incidence the glass slab has an index of refraction of 150 a about