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The 5-lb slender rod AB is released from rest in the position shown and swings to a vertical position where it strikes the 3-lb slender rod CD. Knowing that the coefficient of restitution between the knob K attached to rod AB and rod CD is 0.8, determine the maximum angle um through which rod CD will rotate after the impact.
a rocket starts from rest and moves upward from the surface of the earth. for the first 10s of its motion the vertical
q1. the crate lies on a plane tilted at an angle theta 27rm circ to the horizontal with muk 0.15.establish the
The answer to a problem is the difference between two calculated numbers: 1.13730669 and 1.13729483. What is the percent accuracy that the calculated
A mass oscillates on a spring with a period T and amplitude 0.48 cm. The mass is at the equilibrium position x = 0 at t = 0, and is moving in the positive direction.
A bullet of mass .004 kg is fired horizontally into a wooden block of mass 1.3 kg resting on a horizontal surface. The coefficient of kinetic friction between block and surface is 0.2. The bullet remains embedded in the block, which is observed to..
Calculate the first 3 energy levels for an electron in a 1-D quantum well with width of 2nm and infinitely high and steep walls.
a transition in a nucleus consists of changing a three-quarks group uud to a udd collection. this transition is
An electron with an initial velocity v0 = 2.50×105 m/s enters a region 1.0 cm long, how long does the electron take to pass the accelerating region
The masses of 1 mole of various gases are as follows: hydrogen about 2 grams, helium about 4 grams, nitrogen about 28 grams, oxygen about 32 grams and carbon dioxide about 44 grams. On the average how fast does a molecule of each gas move at 333 ..
An undiscovered planet, many light years from Earth, has one moon which has a nearly circular periodic orbit. find how long does it take the moon to make one revolution around the planet
A coin is thrown vertically down into a well with an initial velocity of 2.5 m/s. What is the velocity of the coin
q. a small block with a mass of 0.170 kg is attached to a cord passing through the hole in a frictionless horizontal
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