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A particle of known charge but unknown rest mass is accelerated from rest by an electric field E into a cloud chamber. After it has traveled a distance d, it leaves the electric field and enters a magnetic field B directed at right angles to E. From the radius of curvature of its path, determine the rest mass of the particle and the time it had taken to traverse the distance d.
An 81.0- resistor is connected in parallel with a 174.3- resistor. This parallel group is connected in series with a 21.2-resistor. Find the current dissipated in the 174.3- resistor
If 3.15×10-4 J of work are required to move 17.7? C of charge from one point to another, what is the electric potential difference between the two points
A common flashlight bulb is rated at 0.270 A and 3.36 V (the values of current and voltage under operating conditions). estimate the temperature of the tungsten filament when the bulb is turned on
A beam of parallel rays from a 24 MHz citizens band radio transmitter passes between two electrically conducting (hence opaque to radio waves) buildings located 45.00 m apart. What is an angular width of the beam as it emerges from between the buildi..
What is the force of gravity between two objects when the mass of one of the objects is doubled
In a certain vacuum tube, electrons evaporate from a hot cathode at a slow, steady rate and accelerate from rest through a potential difference of 39.0 V. What is the maximum value for the beam current that will result in only one electron at a tim..
An object in equilibrimhas three forces exerted on it. A 33N force acts at 90 degrees and a 44N force acts at 60 degrees. What is the magnitude and direction of the third force?
An inexpensive microscope has a tube length of 12.0cm , and its objective lens is labeled with a magnification of 10x. Calculate the focal length of the objective lens
A mechanic is cleaning a ball bearing when she accidentally drops it. Determine the flight time of the ball bearing in air
In the following circuit, Ri = 8.0 Ω, R2 3.0 Ω, C = 9.0 Mu F and the EMF of the ideal battery is initially unknown. After the capacitor becomes fully charged, it stores 54.0 μC of charge. Calculate the EMF of the battery.
A roller coaster car is going over the top of a 16m radius circular rise. How fast is the coaster moving
Physics - Heisenberg Uncertainty Principle - Marble Drop (Q 1) Scenario: You are going to drop a marble with mass m from the top of a building of height H onto a small target below it. 1) Obtain an expression for the time it takes for the marble to f..
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