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Suppose that a 1.00 cm3 box in the shape of a cube is perfectly evacuated, except for a single particle of mass 1.23 x 10^-3 g. The particle is initially moving perpendicular to one of the walls of the box at a speed of 245 m/s. Assume that the collisions of the particle with the walls are elastic.
a) Find the average pressure on the walls perpendicular to the particle's path.
b) Find the temperature inside the box.
c) Discuss the assumption of elastic collisions, in light of this result.
A series RLC circuit has R = 75 %u03A9, L= 20 mH, and a resonance frequency of 4.0 kHz. What is the impedance of the circuit at resonance
A sinusoidal voltage ?v = (60 V) sin (130t) is applied to a series RLC circuit with L = 90 mH, C = 175 ?F, and R = 34 ?. Whats the maximum current in the circuit
The lengths of the three telescopes are LA = 456 mm, LB = 640 mm, and LC = 787 mm. The focal length of the eyepieces is 3.00 mm
The diagram of a speaker has a mass of 50.0g and responds to a signal of 2.0 khz by moving back and forth a with an amplitude of 1.8 X10^-4 m at that frequency. what is the force acting on the speaker
A fan at a rock concert is 30.0 m from the stage, and at this point the sound intensity level is 109dB. Sound is detected when a sound wave causes the tympanic membrane (the eardrum) to vibrate . Typically, the diameter of this membrane is about 8..
Describe how she investigates which of the two surfaces is the best absorber of heat radiation.
Due to a tune-up, the efficiency of an automobile engine increases by 7.00 %. For an input heat of 1290 J, how much more work does the engine produce after the tune-up than before
Two ultrasonic sound waves combine and form a beat frequency that is in the range of human hearing for a healthy young person, What is the largest possible value for the frequency of the other ultrasonic wave
In a magnetic field with B=0.50 T, for what path radius will an proton circulate at 0.10 to the speed of light? What will its kinetic energy be? What will change if we replace a proton with a neutron? Why?
starting from rest a car travels 1350 m in 1 minute. it accelerated at 1 m/s^2 untill it reached its cruising speed. what was its cruising speed
Water at 100 degrees is flowing through a long pipe of radius 1rapidly enough so that we may assume that the temperature is 100 at all points. A t=0, the water is turned off and the surface of the pipe is maintained at 40 degrees from then on (neglec..
hat is the magnitude of the total flux through the five non-shaded faces.
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