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An ideal gas initially at 408 Kis compressed at a constant pressure of 34 N/m2 from a volume of 3.0m3 to a volume of 1.8 m3. In the process, 75J of heat is lost by the gas.
(a) What is the change in internal energy of the gas?
(b) What is the final temperature of the gas?
A small solid sphere, with radius 0.25 cm and mass 0.70 g rolls without slipping on the inside of a large fixed hemisphere with radius 23 cm and a vertical axis of symmetry. What is its kinetic energy at the bottom
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white light falls normally on a transmission grating with 1000 lines per centimeter. At what angle will yellow light (550nm) emerge
given 2.50mol of an ideal gas with cv 12.47j?mol?1?k?1 is expanded adiabatically against a constant external pressure
A bat in a cave emits a sound pulse and receives an echo 0.22 second later. Assuming that the speed of sound is 339 m/s, how far did the sound (the longitudinal wave) travel during this time.
A toy of mass 0.155 kg is undergoing simple harmonic motion (SHM) on the end of a horizontal spring with force constant 305 N/m. What is the maximum speed attained by the object during its motion?
What are the three longest wavelengths for standing waves on a 294-cm-long string that is fixed at both ends? If the frequency of the second-longest wavelength is 58Hz , what is the frequency of the third-longest wavelength?
find the resonance frequency of the ear canal. treat it as a half-open pipe of diameter 7.3 mm and length 24.5 mm.
Find the coefficient of kinetic friction between a 4.1- block and the horizontal surface on which it rests if an 83 spring must be stretched by 3.0 to pull the block wi`th constant speed. Assume the spring pulls in a direction 15 above the horizontal..
An undamped 1.42-kg horizontal spring oscillator has a spring constant of 29.9 N/m. While oscillating, it is found to have a speed of 2.53 m/s as it passes through its equilibrium positio
When one person shouts at a football game, the sound intensity level at the center of the field is 61.1 dB. determine how many people are at the game
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