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An electron has an initial velocity of 2.00 106 m/s in a uniform 5.00 105 N/C strength electric field. The field accelerates the electron in the direction opposite to its initial velocity. How far does the electron travel before coming to rest?
The nucleus of an atom can be modeled as several protons and neutrons closely packed together. Estimate the density of the nucleus of an atom
Two sources emit waves that are in phase with each other. What is the largest wavelength that will give constructive interference at an observation point 161 m from one source
Estimate the particle density necessary for bose-Einstein condensation of a hydrogen gas to occur at 100 nK. find the ratio of the thermal wavelength to the atom spacing
A playground merry-go-round of radius R = 1.60 m has a moment of inertia I = 275 kg · m2 and is rotating at 8.0 rev/min about a frictionless vertical axle. What is the new angular speed of the merry-go-round
A circuit consists of a resistor and a capacitor in series with an ac source that supplies an rms voltage of 240 V. What is the average power supplied by the source
A rod is measured to be 12cm by an observer moving at 0.60c with respect to the length of the rod. What is the proper length of the rod
A Carnot engine operates between 235°C and 125°C, absorbing 6.30 ? 104 J per cycle at the higher temperature. How much work per cycle is this engine capable of performing
A magnetic field of 2.00T is applied to a bubble chamber to make the tracts of protons, what is the momentum of the proton
A student decides to move a box of books into her dormitory room by pulling on a rope attached to the box, Find the acceleration of the box
Find the velocity vector of a bag just before it hits the ground. It is dropped 500m above the ground and has velocity 5 m/s
A propeller is modeled as five identical uniform rods extending radially from its axis. what is its rotational kinetic energy
Establish angles subtended by the moon and the sun
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