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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
a spaceship passes you at a speed of 0850c you measure its length to be 442 meter determine how long would it be when
if the wavelength of ultrasound in soft tissue is 0308 millimeter find what is the frequency producing this
a plane sinusoidal electromagnetic wave in air has a wavelength of 384 centimeter and electric field amplitude of 135
a spring stretches by 0020 meter when a 35 kilogram object is suspended from its end find how much mass should be