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1- a car is going around a racetrack at constant speed the curves around the track have different radii in which turn
the major earthquake that struck japan was not far offshore triggering a devastating tsunami if that earthquake had
the following data show what combinations of corn and beef can be produced annually from a given piece of landa on the
how do legal restrictions on practice for nurses and physicians tend to affect the observed elasticitys of substitution
a merry-go-round of mass m120kg and radius 5m rotates with an angular velocity omegao3rads a block of mass ma90kg sits
a classic physics demonstration involves a glass of water placed in the middle of a flat board if strings are then tied
a rim type flywheel has to store the greatest amount of energy of 25 kj at the mean engine speed of 300 rpm the
in an air-filled rectangular waveguide the cutoff frequency of a te10 mode is 5 ghz whereas that of te01 mode is 12 ghz
a shop sign weighing 245n is supported by a uniform 155n beam find the tension in the guy wire and the horizontal and
1 a 025 kg skeet clay target is fired at an angle of 30o to the horizon with a speed of 25ms fig 7-45 when it reaches
1 a sinusoidal electromagnetic wave from a radio station passes perpendicularly through an open window that bas area
a horizontal seismometer consists of a pendulum of length l constrained to rotate about a nearly vertical axis the
a show that in the bohr model the frequency of revolution of an electron in its circular orbit around a stationary
1 a study conducted at vp1ampsu to determine if certain static arm-strength measures have an influence on the dynamic
diagram showing earth satellite orbit radius r and other parameters line of sight perpendicular to equator satellite
a satellite at r0 10000 miles from the center of the earth is given an initial velocity v0 20000 fts in the direction
an electron enters a uniform magnet field having a flux density 200ut at a speed of 2x10 6 ms-1 perpendicular to the
a hydrogen atom when in its lowest energy state consists of a proton of charge e and an electron of charge -e and mass
a mass m of 271 kg is attached to the end of a string whose length is 0640 m the mass slides without friction on a
the solar wind is a continuous stream of particles mostly protons and electrons moving away from the sun when the
the electron of a hydrogen atom is initially at the orbit n4 if this electron first goes to the orbit n3 and then to
imagine a space station module shaped like a cylinder 30m long and 5m in diameter orbiting close to the earth above the
the hydrogen atom may be described as a postively charged proton surrounded by an orbiting negatively charged electron
suppose an electron could orbit a proton at a constant distance of 111 angstroms with the the centripetal force coming