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in february 2004 scientists at purdue university used a highly sensitive technique to measure the mass of a vaccinia
a car travels around a circular track with a radius of r if the track is icy so there is absolutely no friction and the
a 0410-kg block is attached to a horizontal spring that is at its equilibrium length and whose force constant is 220 nm
a 640 cm diameter wire coil is initially oriented so that its plane is perpendicular to a magnetic field of 0720 t
in this problem the relative humidity and therefore dew point at the surface was low if your calculations are correct
the specific heat of a particular metal alloy is 026 calories per gram per degree celsius calculate the amount of heat
1nbspthe human eye is very sensitive to light having a wavelength ofnbsp545nbspnbsp10-7nbspm which is in the
the many satellites used in the global positioning system are constructed so that their onboard clocks are synchronized
a particle of mass m has a kinetic energy of 2mc2 what are its total energy e and magnitude of momentum p1 e 3mc2 p
a grating has 708 lines per centimeter find the angles of the first three principal maxima above the central fringe
what width slit will produce a central maximum that is 280 cm wide on a screen 180 m from the
an inkjet printer uses tiny dots of red green and blue ink to produce an image assume that the dot separation on the
the contacts worn by a farsighted person allow her to see objects clearly that are as close as 250 cm even though her
a baseball player throws a ball in the air with an initial speed of 50ms at an angle of 30 degrees above the horizontal
can someone answer these 2 questions for me in depth1 a group of students found an old dc electric motor in a box they
a 0230-kg piece of aluminum that has a temperature of -199 degc is added to 14 kg of water that has a temperature of 23
a snow maker at a resort pumps 180 kg of lake water per minute and sprays it into the air above a ski run the water
a piece of glass has a temperature of 710 degc liquid that has a temperature of 420 degc is poured over the glass
a spherical brass shell has an interior volume of 143 x 10-3nbspm3 within this interior volume is a solid steel ball
one january morning in 1943 a warm chinook wind rapidly raised the temperature in spearfish south dakota from below
the first-order principal maximum produced by a grating is located at an angle of theta 156 degrees what is the angle
a farsighted man uses eyeglasses with a refractive power of 322 diopters wearing the glasses 0026 m from his eyes he is
a bullet is fired horizontally with an initial speed of 200 ms at a height of 1m above the ground how long will it take
a radio can be tuned into a particular station frequency by adjusting the capacitance in annbspl-cnbspcircuit suppose
1 a 200 mh inductor and a 200 omega resistor are connected insures with a 30-v dc power supply what is the time