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A ring-shaped conductor with radius a = 2.90cm has a total positive charge Q = 0.130nC uniformly distributed around it.(Figure 1)
Part C
A particle with a charge of 2.10C is placed at the point P described in part A. What is the magnitude of the force exerted with the particle on the ring?
A 940kg motorboat accelerates away from a dock at 2.1m/s^2 .t Its propeller provides a thrust force of 4.0kN. What drag force is exerted by the water on the boat
A block of mass M, at rest on a horizontal, frictionless table, is attached to a rigid support with a horizontal spring of force constant k. A bullet of mass m and velocity v parallel to the floor (and table) and collinear with the spring strikes the..
The speed of the ball at the top of the circle is 12.9 m/s. The acceleration of gravity is 9.8 m/s2 . If the ball is released at the bottom of the circle, what is its speed upon release
A space ship travelling at speed 0.5c toward the earth ejects a spacepod travelling in a forward direction at a speed of 0.25c, what is the speed of light signal relative to the spaceship in term of c
Consider two particles with masses that differ by a factor of 325. what is the ratio of their kinetic energies
In deep space, sphere A of mass 120 kg is located at the origin of an x axis and sphere B of mass 130 kgis located on the axis at x = 5.8 m. Sphere B is released from rest while sphere A is held at the origin. What is the gravitational potential ener..
A horizontal wire is hung from the ceiling of a room by two massless strings. The wire has a length of 0.21 m and a mass of 0.005 kg. A uniform magnetic field of magnitude 0.070 T is directed from the ceiling to the floor.
the lowest pressure attained in a "vacuum" in a laboratory on the earth is 1X10^-17 atm at a termperature of 4.1 K. what is the number of molecules per cubic centimeter in this vacuum
A textbook of mass 2.10 rests on a frictionless, horizontal surface. A cord attached to the book passes over a pulley whose diameter is 0.180 , to a hanging book with mass 2.92. find the mmoent of inertia of the pulley about its rotation axis
A 0.047 H inductor is wired across the terminals of a generator that has a voltage of 2.1 V and supplies a current of 0.021 A. Find the frequency of the generator
A closely wound coil has a radius of 6.30 cm and carries a current of 1.70 A. How many turns must it have if, at a point on the coil axis 6.30 cm from the center of the coil
A quantity of liquid water comes into equilibrium with the air in a closed container, without completely evaporating, at a temperature of 25.0 °C. How many grams of water vapor does 9 liters of the air contain in this situation? The vapor pressure..
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