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Describe an imaginary process that violates both the first and the second laws of thermodynamics.
A 0.09 kg arrow is pulled back in a bow. After being held still, it is let go, moving 25m/s after the 0.47 meters in which the arrow is in contact with the bow string. What work was done on the arrow by the bow string? What force was exerted by the a..
An ideal gas expands at a constant total pressure of 2.5 atm from 3.45 L to 6.70 L. calculate the total work done by the gas in the process
In the Bohr model of the hydrogen atom, the speed of the electron is approximately 1.80X106 m/s. Find the centripetal acceleration of the electron
An ice skater is gliding horizontally across the ice with an initial velocity of +6.93 m/s. How much time elapses before her velocity is reduced to +2.95 m/s
One of the loudest sounds in recent history was that made by the explosion of Krakatoa on August 26-27, 1883. what was the decibel level on Rodriguez Island
A 58.6g mass connected to a spring with a force constant of 31.2 N/m oscillates on a horizontal, frictionless surface with an amplitude of 3.70 cm. Calculate the total energy of the system
If you set up a standing wave of 6 segments, how many waves will occur if you triple your frequency? How many wavelengths will there be
Determine the macroscopic absorption cross section for a uranium fuel rod which has been enriched to 15 w/o U-235 and the remainder is U-238. The density, rho, of this fuel rod is equal to 19.1 g/cm^3 and the microscopic absorption cross sections are..
A 1600·kg car traveling with a velocity of 6·m/s north collides head-on with a 3200·kg truck traveling with a velocity of 4·m/s south. What impluse is delivered to the truck by the car
a for a square of side 3.00 cm with charges of 8.00 microc at each corner find the electric field at the center of the
What is the reading of the voltmetere immediately after the switch is closed? Describe the reading of the meter over time after the switch is closed.
How far away can a human eye distinguish two car headlights 1.8 m apart? Consider only diffraction effects and assume an eye pupil diameter of 5.5 mm and a wavelength of 550 nm. What is the minimum angular separation an eye could resolve when view..
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