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Circular arc with end points at (-3m,0) and (0,-3m) has charge of 3 µC uniformly distributed along its length.
In addition three point charges of 1 µC are placed at (0,3m), (3/sqrt2m, 3/sqrt2m).
The dielectric constant in the gaps between the conductor is 1.
(a) Calculate the electric field (magnitude and direction) at the origin? Express the answer using rectangular coordinates and unit vector notation.
(b) What is the electric potential V(0,0) at the origin?
An object in the shape of a thin ring has radius a and mass M. A uniform sphere with mass m and radius Ris placed with its center at a distance x to the right.
If the rope is inextensible and the magnitude of the applied force is 475 N, what is the force on the car? (Assume equilibrium conditions
Find the change in gravitational potential energy of a 1.8 kilogram object which is displaced vertically a distance of 2.7 meters
A person eats a dessert that contains 280 Calories. (This "Calorie" unit, with a capital C, is the one used by nutritionists; 1 Calorie = 4186 J.
The driver of a car slams on the brakes when he sees a tree blocking the road. With what speed does the car then strike the tree
A 0.156kg toy is undergoing SHM on the end of a horizontal spring with force constant 306 N/m. Find the maximum speed attained by the object during its motion
Unpolarized light of intensity I0 passes through six successive Polaroid sheets each of whose axis makes a 40? angle with the previous one
The moon orbits the earth at a distance of 3.85 x 10^8 m.Assume that this distance is between the centers of the earth andthe moon and that the mass of the earth is 5.98 x 10^24 kg. Find the period (in days) for the moon’s motion around the earth.
A electron enters a magnetic field of 0.3 T at an angle of 35 degree and with a speed of 5.00 E5 m/s. Find the force on the electron. Describe the path of the electron while in the magnetic field.
A certain heat engine does 8.0 kJ of work and dissipates 9.00 kJ of waste heat in a cyclical process. What was the heat input to this engine
A 1.90 kilogram ball is attached to the bottom end of a length of fish line with a breaking strength of 8 lb (35.6 N). Determine at what angle θ (measured from the vertical) will the fish line break
A certain type of molecule has an excited energy states, plus the minimum energy ground state. what is the energy of the ground state
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