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a standing wave of the second overtone counting from the n 1 fundamental frequency being the zero overtone is induced
a star is probably visibledetected by its radiation but that star may or may not belong to our own galaxy yet news
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starship alpha is traveling at 08c alpha 53 with respect to the identical starship beta each starship has rest length
the electric field in an electromagnetic wave in vacuum is described bye emaxsinkx-omegatwhere emaxnbsp 94 nc and k 94
an electric field in a conductor causes charges to redistribute so as to cancel out the original field bringing the
an electric-dipole antenna is located on the roof of a 233-m-high building and is oriented vertically an observer on
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an electric-dipole antenna broadcasting microwave electromagnetic radiation for mobile communications is located on the
a state amperes lawb the figure shows a toroid with n total turns and a current i apply amperes law to find the
what is the steady state rate of heat flow through a pane of glass that is 400 cm by 300 cm with a thickness of 400 mm
a steel cable with a cross-sectional area of 417 cm2 has a mass of 239 kgm if 356 m of the cable is hung over a
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an elastic collision occurs between two air hockey pucks in which one puck is at rest and the other is moving with a
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an egg is thrown straight down at 14 ms from a tall tower two seconds 2 s later a second egg is thrown straight up at
the effective current and voltage in an ac circuit an ac current varies from -565 a to 565 a find the effective value
a point charge -206nc is at the point x 060 m y 080 m and a second point charge 557nc is at the point x 060 m y
as the earths climate continues to warm ice near the piles will melt and be added to the oceans what effect will this
earthquakes produce two kinds of seismic waves he longitudinal primary waves called p waves and the transverse
earths magnetic field at the surface near the poles is around 60 x 10-6 t what is the larmor frequency of protons at
the earths magnetic field at the magnetic north pole is directed vertically downward and has a magnitude of 062 g the
if the earth were revolving around the sun much faster than it does lets say 100 or 1000 times faster or whatever
earth can produce the downward electric field of 150 nc around its surface assume this electric field is uniform