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Compute the force on an electron if the accelerating plates are held at a potential dissimilarity of 600. (Note this is Vg.) Suppose a distance of 1cm among the plates. Compare this force, Fe, to the force due to gravity, Fg; I.e., compute Fg/Fe. Can we safely neglect the effect the gravity in this experiment? For the case above, what is the speed of the electron, Vx, in terms of the speed of light? If Vx>0.5c (roughly), then Newton's laws begin to break down, and we should use relativistic equations which obey Einstein's theory of relativity. Are relativistic equations necessary in this case?
A 1.1 kg birdfeeder hangs from a horizontal tree branch. The birdfeeder is attached to the branch at a point that is 1.0 m from the trunk. where the branch attaches to the trunk
A 75-kg window air conditioner falls a distance of 6 m to the street below (no one is injured). What was the PE of the air conditioner
A bowling ball weighing 71.2{\rm N} is attached to the ceiling by a 3.70{\rm m} rope. find the tension in the rope
The potential difference among a pair of oppositely charged parallel plates is 367 V. If the spacing between the plates is tripled without altering the charge on the plates, what is the new potential dissimilarity between the plates?
An automobile having a mass of 1000 kg is driven into a brickwall in a safety test. What was the speed of the car before impact
A 0.1-kg ball connected to a fixed point by a taut string whirls around a circular path of radius 0.5 m at a speed of 3 m/s. find How many times larger is the former than the latter
You push with a 20 N horizontal force on a 2 kg mass resting on a horizontal suface against a horizonatal friction forces of 12N. What is the accerlation.
A spring with a constant of 32 N/m is placed on a horizontal smooth surface and a mass of 2.3 kg is pushed against it. What is the amount of potential energy stored in the spring when it is compressed
The magnetic force per meter on a wire is measured to be only 27% of its maximum possible value.Calculate the angle between the wire and the magnetic field.
A mass spectrometer,sketched below, is a device used to separate different ions. Suchions with a well-defined velocity vo enter through aslit into a region of uniform magnetic field B, where they follow asemicircular path until they strike the detec..
A storage tank 25 m hight is filled with gasoline. Calculate the force that acts on a square access hatch atthe bottom of the tank that measures 0.25m by 0.25m
Light of wavelength 659.4 nm is emitted by a star. The wavelength of this light as measured on Earth is 661.4 nm. How fast is the star moving with respect to Earth
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