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Two masses, where m2= 6kg lie on a frictionless surface and are joined by a horizontal string of negligible mass and constant length, Fapplied=18N and T1=12N
What is the accerlation of m2? Answer is 1 m/s^2 but how do you get that
What is the value of m1 in kg? Answer is 12kg but how do you get that
A binary system consists of two stars that revolve in a circular orbit about a center of mass midway between them. This means that the masses of two stars are equal. Suppose the orbital speed of each star is 285 km/s and the orbital period of each..
In a region of two-dimensional space, there are three fixed charges: +1 mC at (0, 0), −2 mC at (12 mm, -7 mm), and +3 mC at (-6 mm, 18 mm). What is the direction of the magnitude on the −2-mC charge counterclockwise from the +x-axis?
A guitar string is 90.0cm long and has a mass of 3.17 g. From the bridge to the support post (=l) is 60.0cm, What are the frequencies of the fundamental and first two overtones
A bolt is dropped from a bridge under construction, falling 92m to the valley below the bridge. (a) How much time does it take to pass through the last 26 percent of its fall? What is its speed (b) when it begins that last 26 percent of its fall a..
The nuclear reaction that powers the sun is the fusion of four protons into a helium nucleus. How much energy is released in each fusion
A charged particle is injected at 215 m/s into a 0.0739-T uniform magnetic magnetic field perpendicularly to the field. What is the charge-to-mass ratio of this particle
A photoelectron produced by ionization in a photoelectron spectrometer is ejected with a velocity of 861 km s-1. Calculate the de Broglie wavelength (in Å) of the electron
A mass of 346.4 g with unknown composition is heated in an oven to a temperature of 311.6 °C. The mass is then dropped into a strong insulated calorimeter containing 710.3 g of water.
When two identical ions are separated by a distance of 5.8 10-10 m, How many electrons are missing from each ion
The enthalpy of the reaction is 22.4 kj/mol CO and the entropy of the reaction is 39.6 kj/K mol CO for a standard state (consisting of 1 weight percent of Oxygen and 1 weight percent of Carbon in steel).
a .40-kg bucket of bait, attached to the end of a .75 m string, is whirled around in a circular horizontal path. What is the speed of the bucket
a point charge q1 2.40 microc is held stationary at the origin. a second point charge q2 -4.30 microc moves from the
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