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an undersea research chamber is spherical with an external diameter of 350 the mass of the chamber when occupied is
two wheels have the same mass and radius of 48 kg and 054 m respectively one has a the shape of a hoop and the other b
a helicopter has two blades each of which has a mass of 270 kg and can be approximated as a thin rod of length 67 m the
starting from rest a basketball rolls from the top to the bottom of a hill reaching a translational speed of 75 ms
the stanford linear accelerator can accelerate electrons to ener- gies of 50 gev what is their de broglie wavelength
the isotope shift of spectral lines refers to the shift in wave- lengths or frequencies due to the different masses of
in an oscillating lc circuit l 330 mh and c 270 microf at t 0 the charge on the capacitor is zero and the current is
a package of mass is released from rest at a warehouse loading dock and slides down the h 26m - high frictionless
how far from a concave mirror of radius 025 m must an object be place for a real image to be formed 1 m from the mirror
if 0230g of sodium metal reacts with 0355g of chlorine gas what is the mass of sodium chloride
consider a motor that exerts a constant torque of 250 to a horizontal platform whose moment of inertia is 500 assume
if you were to prepare a 100 solution of beginning with water at 215 what would the final temperature of the solution
a youve been given the task of designing a water couch-that one could lie on floating on a lake for instance-in the
the earth has a radius of about 635 106 m and a mass of 598 1024 kg what would be the radius if the earth had the same
a 00500-kg lead bullet of volume 500 times 106 m3 at 200 degc hits a block that is made of an ideal thermal insulator
a a block of wood in the shape of a cube 50 cm on a side is floating in water with its top face parallel to the surface
a beam of laser light with a wavelenth of 59000 nm passes through a circular aperture of diameter a 0163 mm what is
a grating spectrometer is used to resolve second order peaks from two wavelengths of 1 49500 nm and 2 49571 nm what
a large tower clock like big ben the parliment clock in london has an hour hand 270 m long with a mass of 545 kg and a
a sample of uranium is enriched to 32 atom-percent in u-235 with the remainder being u-238 what is enrichment of u-235
using a refracting telescope you observe the planet mars when it is 211 times 1011 m from earth the diameter of the
a street merchant is trying to sell you a 14 karat gold bracelet for 450 100 pure gold is 24 karats the gold is
two ice skaters with masses of 500kg and 750kg are at the center of a 400m -diameter circular rink the skaters push
a student sits on a rotating stool holding two weights each of mass 300 kg when his arms are extended horizontally the
a solid aluminum sphere has a mass of 87g how do you use the density of aluminum to find the radius of the sphere in