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Two particles of identical mass m are acted on only by the gravitational force of one upon the other. If the distance d between the particles is constant, what is the angular velocity of the line joining them? Use Newton's second law with the center of mass of the system as the origin of the inertial frame.
An object of mass 2.1 kg is moving in the negative x direction at a velocity of 2.6 m/s. What is the final velocity after the object has experienced the impulse
Static equilibrium Indicate the direction of positive rotation and the axis of rotation in this problem. What is the tension in the string? What is the full vector description of the force exerted by the hinge on the bar?
In an experiment by a helium-neon laser with a wavelength of 632.8nm, you illuminate a double slit that is positioned 3.0m from a screen. There are 12 bright fringes spanning a distance of 52mm. What is the spacing (in mm) among the slits?
Determine an expression for the position of the center of mass with respect to the first cranberry if you have used an integral number n cranberries and (n -1) pieces of popcorn.
two large parallel conducting plates are 12 cm apart and have charges of equal magnitude and opposite sign on their
A delinquent is able to accelerate a 200 g snowball from rest to a speed of 20 m/s over a distance of 1.2 m. What is the work (in J) done on the ball by this troubled youth? You may assume that the snowball travels perfectly horizontally (i.e., paral..
A horizontal beam of electrons initially moving at 4.1 107 m/s is deflected vertically by the vertical electric field between oppositely charged parallel plates.
The pulley can be treated as a uniform solid cylindrical disk. The downward acceleration of the 44.0-kg block is observed to be exactly one-half the acceleration due to gravity. Noting that the tension in the rope is not the same on each side of t..
a 2.0kg projectile if fired with initial velocity components Vox= 30 m/s and Voy= 40 m/s from a point on the earth's surface. What is the kinetic energy of the projectile
A spherical balloon has a radius of 12.0 m, and is filled with helium. How large a cargo can it lift, assuming that the skin and structure of the balloon have a mass of 1000 kg
Photons with a frequency of 7.8 multiply.gif 1015 Hz shine on a piece of molybdenum (work function = 4.2 eV). What is the energy of the ejected electrons? What is the de Broglie wavelength of the ejected electrons?
Two violin strings are tuned to the same frequency, 294Hz, What will be the beat frequency heard when the two strings are played together
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