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An electric dipole consists of charges +2e and -2e separated by 0.78 nm. It is in an electric field of strength 3.4 x 10^6 N/C. Calculate the magnitude of the torque on the dipole when the dipole moment is
(a) parallel to(b) perpendicular to(c) antiparallel to the electric field.
What is the difference between potential energies for dipole orientations parallel and antiparallel to the electric field?
A drag force on a falling object in air is directly proportional to the square of its velocity. what will be the kinetic energy of an object
Calculate the reactive force and reactive muscle moment at the knee for a seated leg , extension, with a weight of 35, 45, and 55 lbs. Assume that the leg is held at an angle?
Blood flows through a vein at a rate of 3.5 mL/s. Among other things, it contains a protein with a molecular weight of 63,000, at a concentration of 2.9 g per 150 mL. How many grams of this protein are carried by the blood each second?
The coefficient of static friction between the block and table's surface is &mu s = 1/3. The mass of the block that is hanging down is n1 Kg. The tangent of the angle shown in the figure is tan & theta = n2. What is the minimum value of mass, n3 Kg t..
an infinite nonconducting sheet has a surface charge density s 5.40 pcm2.a how much work is done by the electric field
After 10.0 second, a spinning roulette wheel at a casino has slowed down to an angular velocity of +2.00 rad/s. Find the angular displacement of the wheel
Two ice skaters, with masses of 40.0kg and 85.0kg , are at the center of a 60.0m -diameter circular rink. how long does the lighter skater take to reach the edge
A hockey puck is swung at the end of a very slight 30 cm long string in a horizontal circle. what is the tension force supplied by the string
A tennis player hits a ball at ground level, giving it an initial velocity of 25.0m/s at 53.0 degrees above the horizontal. What is the ball's velocity at its highest point
two submarines are on a secret mission and need to arrive at a location in the middle of the atlantic ocean at the same
A weather vane initially at rest has a moment of inertia of 0.104 kg · m2 about its axis of rotation. Find the angular velocity of the weather vane just after it is struck
A 5.2 gram bullet moving at 672 m/s strikes a 700gram wooden block at rest on a frictionless surface, Find the resulting speed of the block
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