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a 570-m length of coaxial cable has an inner conductor that has a diameter of 258 mm and carries a charge of 810 microc
a piston with a volume of 24 liters contains 30 moles of argon it is heated from 20 degrees celsius to 178 degrees
at room temperature identical gas cylinders contain 10 moles of nitrogen gas and argon gas respectively determine the
arthur and betty start walking toward each other when they are 100 m apart arthur has a speed of 30 ms and betty has a
when the play button is pressed a cd accelerates uniformly from rest to 480revmin in 20 revolutions if the cd has a
a baseball is hit into the air at an initial speed of 367 ms and an angle of 595 deg above the horizontal at the same
a marine biologist powers the 800 w 24 v electric outboard motor on her boart from a 75 ahr battery how long can she
the earths magnetic field is approximately 30 microtesla an ac transmission wire carries a current of 10 a rmsa what is
a thin spherical shell made of plastic carries a uniformly distributed negative charge -7e-10 coulombs indicated as -q1
now consider an atom consisting of two electrons each of charge -e embedded in a sphere of charge 2e and radius r in
three point charges are arranged along the x axis charge q1 -450nc is located at x25m and charge q2300nc is at x-0330m
consider a model of a hydrogen atom in which an electron is in a circular orbit of radius 579times1011 around a
a 25 kg block of wood sits on a table a 30 g bullet fired horizontally at a speed of 540 ms goes completely through
an automobile of mass 1500 kg moving at 25 ms colides with a truck of mass 4500 kg at rest this time the car and the
when an ac generator is connected across a 120 resistor the rms current in the resistor is 800a find thea rms voltage
visible light passes through a diffraction grating that has 900 slits per centimeter and the interference pattern is
during a solar eclipse the moon earth and sun all lie on the same line with the moon between earth and the sun data
a human eyeball is about 21 long and the pupil has a maximum diameter of about 75 what is the speed of this lens
an astronaut constructs a pendulum with a length of 1 meter on a new planet if the period is 4 second what is the
a flywheel for energy storage in a hybrid gasoline-electric car is a ring-shaped rotor of mass 49 kg designed to rotate
a bungee jumper undergoes simple harmonic motion with amplitude 64 m and frequency 0145 hz assume the bungee jumper
a sprinter running the 100 m dash has a constant acceleration of 28 ms2 for the first 41 seconds of the race when he
you come out of the grocery store with a full shopping cart you stop behind your car to get out your keys unlock your
the new river gorge bridge in west virginia is a 522 m long steel arch how much will its length change between