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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
a block of mass m1 300 kg and a block of mass m2 800 kg are connected by a massless string over a pulley in the shape
a tennis player swings her 1000 g racket with a speed of 900ms she hits a 60 g tennis ball that was approaching her at
you find an unlabeled box of fine needles and want to determine how thick they are a standard ruler wont do the job