Physics, 28.08.2020 23:01 alliemmaddox
Cell theory, the theory of evolution, the theory of relativity, and the big bang theory are all examples of scientific theories. The law of inertia, the law of universal gravitation, the laws of thermodynamics, and the law of independent assortment are all examples of scientific laws. What is the primary difference between scientific theories and scientific laws? A. Scientific theories are often discarded and replaced by completely different theories. B. Scientific laws have been proven without exception under certain stated conditions. C. Scientific laws can change over time as new technology is developed and new data is collected. D. Scientific theories are educated guesses still need to be verified through experimentation.
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Physics, 22.06.2019 00:20
Aparticle of mass m is projected with an initial velocity v0 in a direction making an angle α with the horizontal level ground as shown in the figure. the motion of the particle occurs under a uniform gravitational field g pointing downward. (a) write down the lagrangian of the system by using the cartesian coordinates (x, y). (b) is there any cyclic coordinate(s). if so, interpret it (them) physically. (c) find the euler-lagrange equations. find at least one constant of motion. (d) solve the differential equation in part (c) and obtain x and y coordinates of the projectile as a function of time. (e) construct the hamiltonian of the system, h, and write down the hamilton’s equations (canonical equations) of motion.
Answers: 2
Physics, 22.06.2019 04:00
Determine the maximum r-value of the polar equation r =3+3 cos 0
Answers: 1
Physics, 22.06.2019 06:10
Which transition by an electron will release the greatest amount of energy? oa ob oc od
Answers: 2
Cell theory, the theory of evolution, the theory of relativity, and the big bang theory are all exam...
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