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one particle has a mass of 200 10-3 kg and a charge of 9 microc a second particle has a mass of 500 10-3 kg and the
a day on a distant planet observed orbiting a nearby star is 419 hours also a year on the planet lasts 489 earth days
a spotlight on a boat is y 27 m above the water and the light strikes the water at a point that is x 94 m
give the systematic names for the formulas or the formulas for the names type your answer using the format copperii
two 70kg bowling balls each with a radius of 017m are in contact with one another what is the gravitational attraction
a nucleus of oxygen-15 undergoes electron capture write out the reaction equation and determine the identity of the
benzene has heat of vaporaization 31 kjmol and at 25 c has vapor pressure of 108 mm hg the normal boiling point of
unpolarized light passes through two polaroid sheets the transmission axis of the analyzer makes an angle of 402deg
a mass-spring system oscillates with an amplitude of 520 cm if the spring constant is 247 nm and the mass is 535 g
common brass is a copper and zinc alloy containing 370 zinc by mass and having a density of 848 gcm3 a fitting composed
a helium-neon laser 6328 nm is used to calibrate a diffraction grating if the first-order maximum occurs at 200deg
a liquid is in equlibrium with its vapor if a small amount of the vapor escapes what is the largest immediate resulta-
light of wavelength 570 x102 nm passes through a slit of width 0220 mma find the width of the central maximum on a
carbon monoxide co detectors sound alarm when peak levels of carbon monoxide reach 100 ppm this level roughly
a series rlc circuit consists of a 90ohm resistor a 020h inductor and a 105mf capacitor it is attached to a 120v60hz
the fan blades on a jet engine make one thousand revolutions in a time of 765 msa determine the period in secondssb
treating the atom as a cube and assuming no empty space in the solid estimate the length in a of an atom of b in
a steel piano wire of length 0650 m and mass 580 g is stretched under a tension of 4600 n what is the speed of
an empty erlenmeyer flask weighs 2151 grams when filled with water d equals 100 grams over cm cubed the flask and its
the height of a cylindrical container is 2951 cm and the diameter is 2050 cm how many gallons of water can this
block a of mass 40 kg is on a horizontal frictionless tabletop and is placed against a spring of negligible mass and
find the absolute pressure kpa if the gage pressure is 30 psig when the barometer reads 698 mm
a 130 kg mass on a spring oscillates horizontally with little friction according to the following equation
a particle has a position vector given by r 12ti 60t-25t2j where r is in meters and t is in seconds find the
the polar ice caps contain about 23times1019 kg of ice this mass contributes negligibly to the moment of inertia of