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initially the switch in the figure below is open and the capacitor is uncharged v 3 v and c 18 microf how much charge
a spherical pot of hot coffee contains 075l of liquid essentially water at an initial temperature of 90 degree celsius
two forces push simultaneously a stationary 2kg box in opposite directions f1 acts from left to right and does 150j of
incoming unpolarized light of intensity 17 lux passes through a linear polarizer with its transmission axis oriented
another way of looking at the fact that all objects have wave-like properties is diffraction waves diffract as they
a glass flask whose volume is 100037cm3 at 0 degree celsius is completely filled with mercury at this temperature when
a 684-kg bungee jumper is standing on a tall platform h0 454 m the bungee cord has an unstrained length of l0 873 m
an astronomer observes electromagnetic waves emitted by oxygen atoms in a distant galaxy that have a frequency of 5710
a 921 kg car is moving rightward with a speed of 290 ms the driver slams on the brakes and the car skids to a stop over
it is desired to construct a solenoid that will have a resistance of 560 at 20degc and produce a magnetic field of 400
it is claimed that if a lead bullet goes fast enough it can melt completely when it comes to a halt suddenly and all
larger wavelengths diffract more than smaller wavelengthsa the speed of sound is 343 ms with what speed would a 550-kg
a 330cm focal length converging lens is 172cm behind a diverging lens parallel light strikes the diverging lens after
a woman with mass 550kg is standing on the rim of a large disk that is rotating at 0470revs about an axis perpendicular
starting from rest a 98-kg firefighter slides down a fire pole the average frictional force exerted on him by the pole
it is desired to magnify reading material by a factor of 221times when a book is placed 796 cm behind a lens what is
calculate the magnetic field inside a solenoid and the energy stored within the coil given the following information i
an image of the moon is focused onto a screen using a converging lens of focal length f 363 cm the diameter of the moon
a particular bohr orbit in a hydrogen atom has a total energy of -054ev what is the kinetic energy of the electron in
a cylindrical electromagnet contains a uniformly magnetized core having a magnetization of 19 106 am surrounded by a
an electron traveling with a velocity of 60 105 ms along the direction enters a uniform magnetic field of 060 t
youre the operator of a 120times104 v rms 60 hz electrical substation when you get to work one day you see that the
a series rlc circuit consists of a 420 resistor a 270 mh inductor and a 460 nf capacitor it is connected to an
a beam of unpolarized light of intensity 370 wm2 passes through a polarizing sheet what is the electric field amplitude
by means of a rope whose mass is negligible two blocks are suspended over a pulley as the drawing shows with m1 117 kg