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A particle attached to a string revolves in a vertical circle of radius R. At the top of the circle its speed is 9.7 m/s and the tension in the string is 30 N; at the bottom of the circle its speed is 13 m/s and the tension in the string is 100 N. Determine the mass of the particle and the radius of the circle.
A spaceship moving away from the Earth at a velocity v1 = .75c with respect tot he Earth, What is the velocity of the rocket with respect to the Earth
An ideal gas occupies a volume of 1.8 cm3 at 20°C and atmosphericpressure. Determine the number of molecules of gas in the container
Two identical point charges (q= +7.20 x 10-6 C) are fixed at diagonally opposite corners of a square with sides of length 0.480m. Determine the speed of the test charge
A 2.0 microF capacitor and a 4.0 microF capacitor are connected in parallet across a 300V potential difference. Calculate the total energy stored in the capacitors
An air-core solenoid with 70 turns is 8.00 cm long and has a diameter of 1.76 cm. How much energy is stored in its magnetic field when it carries a current of 1.223 A? (Answer in µJ)
Two negative point charges are separated by 11.0cm and feel a mutual repulsive force of 3.45nC . The charge of one is three times that of the other. How much charge does each have
When a 47.0-V emf device is placed across two resistors in series, a current of 4.0 A is flowing in each of the resistors. obtain the magnitude of the larger of the two resistances
A 10 g particle is undergoing simple harmonic motion with amplitude of 2.0 x 10-3 m and a maximum acceleration of magnitude 8.0 x 103 m/s2. What is the period of the particle
Calculate the Work required (in eV) to move a stationary electron from the location r3 to r5 in a hydrogen atom
The R factor for housing insulation gives the thermal resistance in units of ft2 °F h/BTU. A good wall for harsh climates, corresponding to about 10 in of fiberglass, has R = 40 ft2 °F h/BTU.
Find the binding energy of the hydrogen electron in each of the following state (a) n = 3 (b) n = 10
Three particles, each with charge -q, are located at the vertices of an equilateral triangle and one particle of charge +q is located at its center. How much work does it take to assemble this configuration
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