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Identify a current problem in physics by searching for news articles and current events. One reputable source of news in physics is Phys.org. Choose one article, and in one page, describe how the scientific method is being used to solve the problem mentioned in the article. Identify the initial observations that identified the problem, the hypothesis, tests, and any revisions of the original hypothesis.
Paper must use at least one source, use proper spelling and grammar, and follow APA format.
a velocity selector has its electric field directed vertically downward with magnitude 130nc .a find the magnitude of
Suppose a 34-kg child sits 1.24 m to the left of center on a seesaw of length, L= 3.74 m, pivoted in the middle. Find the normal force acting on the pivot point
a parallel-plate capacitor has circular plates of 8.90 cm radius and 1.70 mm separation.a calculate the capacitance.b
A 100-kg halfback running north with a speed of 12 m/s is tackled by a 110-kg opponent running south with a speed of 4.0 m/s. If collision is completely inelastic and head-on, compute the speed of the players just after the tackle.
A 5.0 diameter merry-go-round is initially turning with a 4.0 second period. It slows down and stops in 20 second. Find how many revolutions does the merry-go-round make as it stops
a thin rod, of length L = 1.9m and negligible mass, that can pivot about one end to rotate in a vertical circle. A heavy ball is attached to the other end. find the initial height of the ball
You have a ball on a wire that is twirled in a circular orbit with a radius of 3.7 m, What is the speed of the ball in orbit
In a television tube, electrons travel down the tube and strike the fluorescent material at the end of the tube. Their impact with this material causes light to be emitted, How long does the acceleration take
A torque of 0.15 N*m is applied to an egg beater. If the egg beater starts at rest, calculate the angular momentum after 0.70 second
The molecular mass of helium is 4 g/mol, the Boltzmann's constant is 1.38066 × 10?23 J/K, the universal gas constant is 8.31451 J/K · mol, What is the average kinetic energy of each helium atom
Two ants race across a table 66 cm long. One travels at4.42 cm/s and the other at 3cm/s. When the first one crosses thefinish line, how far behind is the second one
A spherical rain drop carries a charge of 8.00x10-9 C at the center and has a potential of 8.10 x 103 V at the surface. Find the radius of the drop
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