Physics, 27.07.2019 01:10 haleeleslie80
Free moving particle with mass m (three degrees of freedom); (b) particle with mass m moving in the gravitational field at the surface of the earth: vertical motion of a falling object (one degree of freedom); (c) particle with mass m moving in the gravitational field at the surface of the earth: motion of a projectile (two degrees of freedom). 3. derive euler-lagrange equations (ele) for the three mechanical systems (a, b, and c) in the previous problem 2.
Answers: 1
Physics, 22.06.2019 02:50, adrian08022
Ammonia enters the expansion valve of a refrigeration system at a pressure of 10 bar and a temperature of 18oc and exits at 6.0 bar. the refrigerant undergoes a throttling process. determine the temperature, in oc, and the quality of the refrigerant at the exit of the expansion valve.
Answers: 3
Physics, 22.06.2019 22:50, cbogrett
Cyclotrons are widely used in nuclear medicine for producing short-lived radioactive isotopes. these cyclotrons typically accelerate h- (the hydride ion, which has one proton and two electrons) to an energy of 5 mev to 20 mev. this ion has a mass very close to that of a proton because the electron mass is negligible—about 1 2000 of the proton’s mass. a typical magnetic field in such cyclotrons is 1.9 t. (a) what is the speed of a 5.0-mev h-? (b) if the h- has energy 5.0 mev and b = 1.9 t, what is the radius of this ion’s circular orbit?
Answers: 1
Physics, 23.06.2019 01:00, bigboss3026
What is the role of the water cycle in maintaining freshwater levels in lake and rivers?
Answers: 1
Free moving particle with mass m (three degrees of freedom); (b) particle with mass m moving in the...
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