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a current of 60 a is drawn from the battery in the figure shown below how much is the voltage of the battery vab in
an electron has a kinetic energy of 600 10-17 j it moves on a circular path that is perpendicular to a uniform magnetic
a student suspends two identical conductive spheres m 030g from two equally long nylon threads each 25 cm long he
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a proton rest mass 9383 mevc2 is confined to a small region of space 20 nm wide what is the uncertainty on its speed
a solid wire with a radius of 300 mm carries a current of 00530 a assume the current is uniformly distributed in the
an electron is moving in a concentric circular orbit inside a solenoid of radius 489 cm in such a manner that it grazes
at 200degc a mainly silicon resistor has a resistance of 275 and a tungsten resistor has a resistance of 752 at this
lasik eye surgery uses pulses of laser light to shave off tissue from the cornea reshaping it a typical lasik laser
a uniform magnetic field in a region of space changes at a rate of 5000e-3 ts what is the strength of the induced
when the heart pumps blood into the aorta the pressure gradient-the difference between the blood pressure inside the
a bolt on an engine is to be tightened with a maximum torque of 75 nm if a wrench has a length of 030 m what is the
what is the instantaneous power at a time of 000700 seconds dissipated by a 200 ohm resistor in a resonant ac circuit
a solid cylinder radius 0160 m height 0200 m has a mass of 146 kg this cylinder is floating in water then oil the
a 100 g aluminum calorimeter contains 250 g of water the two substances are in thermal equilibrium at 10degc two
at the time the switch is closed completing a simple lc circuit the capacitor has 34 j of stored energy and the
an rlc circuit has a reactance due to its capacitance of 19 kilo ohms a reactance due to its inductance of 10 kilo ohms
you are an astronaut stranded in space your spacecraft lies about 200-m away you have a flashlight that can generate
a bullet of mass mb 002 kg is moving with a speed of 100 ms when it collides with a rod of mass mr 5 kg and length l
a 20-kg uniform disk is at rest on a horizontal surface when a horizontal force of f400n is applied at the center of
a gun with muzzle velocity of 1200 ftsec is fired at an angle of eight degrees above the horizontal find the horizontal
in a photoelectric effect experiment a metal sample is illuminated by 100 mw of ultraviolet light of wavelength 240 nm
my neighbor opened the turner circuit of his radio and noticed that it uses a 45 h inductor together with a variable
the image of a tree on a 35 mm color slide is 1 mm high it is to be projected onto a screen 3 m from the slide and is
a 28 v battery is connected to a small light bulb with a resistance of 22 ohms what is the current in the