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Two identical gas cylinders. One contains the diatomic gas nitrogen (N2), and the other contains an equal mass of the diatomic gas oxygen (O2). The pressures in the cylinders are the same, but the temperatures are different. Determine the ratio KEN2/KEO2of the average kinetic energy of a molecule of nitrogen to the average kinetic energy of a molecule of oxygen.
How do total institutions destroy individual identity and create the new one? Give at least three ways of destroying one's old identity? How is the group identity created?
A dentist's drill starts from rest. After 2.70 s of constant angular acceleration it turns at a rate of 2.4 104 rev/min. Find the drills angular acceleration
To investigate the structure of extremely small objects, such as viruses, the wavelength of the probing wave should be about one-tenth the size of the object for sharp images. If you use light of this wavelength, what would be the energy (in eV) of..
An Olympic long jumper is capable of jumping 8.5m .Assuming his horizontal speed is 9.5m/s as he leaves the ground, How high does he go
A barber's chair with a person in it weighs 2100N. The output plunger of a hydraulic system begins to lift the chair when the barber's foot applies a force of 55N to the input piston. Neglect any height difference between the plunger and the piston. ..
Two crates, of mass 75.0 kg and 109 kg, are in contact and at rest on a horizontal surface. A 732 N force is exerted on the 75.0 kg crate. What is the force the each crate exerts on the other.
A train at rest emits a sound at a frequency of 1045 Hz. An observer in a car travels away from the sound source at a speed of 37 m/s. What is the frequency heard by the observer .
Two identical conducting spheres, fixed in place, attract each other with an electrostatic force of 0.134 N when their center-to-center separation is 68.5 cm. What was the positive charge in coulombs on the other
In trying to move across a slippery icy surface, a 175-lb man uses two ropes AB and AC. Knowing that the force exerted on the man by the icy surface is perpendicular to that surface, determine the tension in each rope.
What is the energy that needs to be given to a ground state electron (n = 1)in a hydrogen atom so that it moves to the first excited state (n = 2)?
A bullet with mass 4.88 g is fired horizontally into a 2.106-kg block attached to a horizontal spring. Find the initial speed of the bullet-block system
What is the maximum number of people who will get a balloon
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