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A machine part of mass 1.95 kg vibrates in a viscous medium. Determine the damping coefficient when a harmonic exciting force of 24.46 N results in a resonant amplitude of 1.27 cm with a period of 0.20 s.
Explain why the electron density of hydrogen is very nearly 6x10^26 electrons/kg. Explain why the electron density of all other low atomic number materials is nearly 3 x 10^26 electrons/kg. speculate why the electron density of materials might differ..
Two charges of equal magnitude exert an attractive force of 6.5×10-4 N on each other. If the magnitude of each charge is +2.7 µC, how far apart are the charges
Radio waves are electromagnetic waves that travel at a speed of 3.00*10 8 m/s, the speed of light. An AM radio station has an assigned frequency of 670 kHz, which means that the radio waves broadcast by the station are at this frequency. Discover..
You are constructing a fiber optic cable. You wish to surround the core of the cable with a cladding material such that the critical angle to go from the core to the cladding is 73.0°
Illustration on Eratosthenes' process
A 2.00 µC charge is experienced by 0.438 N force in an electric field. What is the magnitude of the electric field?
A cylindrical wire of length 4.30 metres has concentric conductors of radius 1.4 mm and 4.3 mm. Calculate the capacitance of the wire.
a ski gondola is connected to the top of a hill by a steel cable of length 660 m and diameter 1.5 cm. as the gondola
A projectile is fired with an initial speed of 60.7 m/s at an angle of 35.4 above the horizontal on a long flat firing range. Determine the total horizontal distance covered
a. a 7-ohm resistor has a potential difference of 12 v across it. what current flows through the resistor?b. what is
How large is a mass of a force of 100n is required to accelerate it by 5 m/sec/sec
A fountain, for a new municipal building, is designed to spray a column of water 105 meters into the air. It requires an exit velocity of 44 m/s. The nozzle at ground level , has a diameter of 7 cm and the pipe leading to the fountain is 24 cm in dia..
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