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Two identical masses are connected to vertical springs each with a force constant k the coordinates x1 and x2 measure the distance of each mass from its equilibrium position write newton's 2nd law for each mass. Assume that x1(t)=A1e^iwt and x2(t)=A2e^iwt. Substitute these into Newton's Second Law and then solve for the eigenvalue problem for the w's. Find the eigenvectors and describe the motion of each mass in those directions
An 79 kg person is parachuting and experiencing a downward acceleration of 2.0 m/s2 shortly after opening the parachute. What upward force is exerted on the open parachute by the air
Unpolarized light of intensity I0 passes through six successive Polaroid sheets each of whose axis makes a 45? angle with the previous one
Suppose you have a spherical balloon filled with air at room temperature and 1.0 atm pressure; its radius is 8cm. what's the balloon's new radius
Point charges q1 = +2.00 muC and q2 = -2.00 muC are placed at adjacent corners of a square for which the length of each side is 1.00 cm. What is the electric potential at point b
A certain projectile is launched with an initial speed v0. At its highest point its speed is v0 / 4. What was the launch angle
4. How much angioplasty is enough??Angioplasty is a technique in which arteries partially blocked with plaque are dilated to increase blood flow. By what factor must the radius of an artery be increased in order to increase blood flow by a fact..
A material of resistivity %u03C1 is formed into the shape of a truncated pyramid of altitude 3a, Find the resistance of the wire
A panicular spring has a spring constant of 86 N/m and a mass of 0.548 kg at its end. When the spring is driven in a viscous medium, the resonant motion occurs at an angular frequency of 12.2 rad/s.
Water is flowing in a pipe as depicted in the figure. As shown, p = 107 kPa, d = 4.61 cm, d' = 3.38 cm, v = 4.50 m/s, and h = 1.31 m. What pressure is indicated on the upper pressure gauge
A glass soda bottle is emptied of soda and filled to the very top with water. A cork is carefully fitted into the top of the bottle, leaving no air between the cork and the water.
Two wires are identical, except that one is aluminum and one is copper. What is the resistance of the copper wire
wave crest pass the bow of anchored boat every 3 seconds. The distance between two crest is 6.6 m. what type of wave is it (longitudinal or transverse) and how fast is it traveling
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