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find how much current is drawn from an ideal 15 volt battery no significant internal resistance when a 14 ohm resistor
a 539 centimeter diameter sphere with a mass of 556 gram is neutrally buoyant in a liquid determine what is the liquid
a 1 centimeter diameter pipe widens to 3 centimeter then narrows to 68 millimeter liquid flows through the first
in the bohr model of the hydrogen atom the electron in the n 16 level moves in a circular orbit of radius 135 x 10-8
a uniform rod of mass 120 gram and length 50 centimeter rotates in a horizontal plane about a fixed vertical
a 32 meter length of wire is stretched horizontally between two vertical posts the wire carries a current of 98 amp and
a playground merry-go-round of radius r 180 meter has a moment of inertia i 240 kgbullm2 and is rotating at 80 rpm
the maximum torque experienced by a coil in a 070-t magnetic field is 11 times 103 nbullm the coil is circular and
a 012 mol of argon gas is admitted to an evacuated 45 cm3 container at 24oc the gas then undergoes an isobaric heating
two metal rods of equal length-one aluminum the other stainless steel-are connected in parallel with a temperature of
two thin lenses with a focal length of magnitude of 12 centimeter the first converging and the second diverging are
in vacuum an electromagnetic wave has speed c 29979 times 108 ms and frequency f 60 times 1014 hertz it enters a
a gas at 75oc fills a volume vo if the pressure is held constant determine what is the volume in terms of vo ifa the
because sound is a wave it is possible to make a diffraction grating for sound from a large board with several parallel
an observer on earth sees an alien vessel approach at a speed of 060c the fictional starship enterprise comes to the
a spring with a spring constant of 49 nm is initially compressed by 72 centimeter determine how much work is required
a 400 loop circular armature coil with a diameter of 5 centimeter rotates at 12 revs in a uniform magnetic field of
super invar an alloy of iron and nickel is a strong material with a very low coefficient of thermal expansion 020 times
three light bulbs each with a resistance of 50 ohm are connected in series to a 100 volt power supply determine the
the wavelength of a certain sound source is 24 mm in air and the speed of sound in air is 345 meter per second estimate
a tow truck is pulling a car out of a ditch by means of a steel cable that is 106 meter long and has a radius of 050
a 64 kilograms water skier is being pulled by a nylon tow rope that is attached to a boat the outstretched length of
you want to use a steel cable to tow your car m 1980 kilogram the cable is solid steel with a diameter of 09
assume you have a 11 muc point chargea determine how far in meters from the charge will the potential be 75 volt if it
a point source of light is 82 centimeter below the surface of a body of water obtain the diameter of the largest circle