expiredXQuiz: Quiz 2ucture.com/courses/34107/quizzes/303004/takeHandshake C MyCharleston in Feed | LinkedInX42.0031.0⁰SLaunch Meeting - ZoomYour Repositories e Medium - Get sm...XXVectors A and B are shown in the figure. Vector C is given by C= A + B. The magnitude of vector Ã is 18.0 units, and the magnitude of vector Bis9.00 units. (a) What is the magnitude of vector C? (b) What is the angle of vector C, measured counterclockwise from the +x-axis?RC Vectors A and B are shownPCMacBook AirFostering ethical t...WVectors20,98910 Steps Yozoom

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Vectors A and B are shown in the figure. Vector C is given by C = A + B. The magnitude of vector A is 18.0 units, and the magnitude of vector 9.00 units. (a) What is the magnitude of vector C? (b) What is the angle of vector C, measured counterclockwise from the +x-axis? A B 42.00 31.0⁰

Vectors A and B are shown in the figure. Vector C is given by C = A + B. The magnitude of vector A is 18.0 units, and the magnitude of vector 9.00 units. (a) What is the magnitude of vector C? (b) What is the angle of vector C, measured counterclockwise from the +x-axis? A B 42.00 31.0⁰

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter1: Units And Measurement

Section: Chapter Questions

Problem 55P: The arc length formula says the length sof arc subtended by angle in a circle of radius r is given...

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The arc length formula says the length sof arc subtended by angle in a circle of radius r is given by the equation s=r . What are the dimensions of (a) s, (b) r , and (c) ?
The first atomic bomb was detonated on July 16, 1945, at the Trinity test site about 200 mi south of Los Alamos. In 1947, the U.S. government declassified a film reel of the explosion. From this film reel, British physicist G.I. Taylor was able to determine the rate at which the radius of the fireball from the blast grew. Using dimensional analysis, he was then able to deduce the amount of energy released in the explosion, which was a closely guarded secret at the time. Because of this, Taylor did not publish his results until 1950. This problem challenges you to recreate this famous calculation. (a) Using keen physical insight developed from years of experience, Taylor decided the radius rof the fireball should depend only on time since the explosion, t, the density of the air, , and the energy of the initial explosion, E. Thus, he made the educated guess that r=kEabtcfor some dimensionless constant kand some unknown exponents a,b, and c. Given that [E]=ML2T-2 , determine the values of the exponents necessary to make this equation dimensionally consistent. (Hint: Notice the equation implies that k=rEabtcand that [k]=1 ). (b) By analyzing data from high-energy conventional explosives, Taylor found the formula he derived seemed to be valid as long as the constant khad the value 1.03. From the film reel, he was able to determine many values of rand the corresponding values of t. For example, he found that after 25.0 ms, the fireball had a radius of 130.0 m. Use these values, along with an average air density of 1.25kg/m3 , to calculate the initial energy release of the Trinity detonation in joules (J). (Hint: To get energy in joules, you need to make sure all the numbers you substitute in are expressed in terms of SI base units.) (c) The energy released in large explosions is often cited in units of “tons of TNT” (abbreviated “t TNT”), where 1 t TNT is about 4.2 GJ. Convert yow answer to (b) into kilotons of TNT (that is, kt TNT). Compare your answer with the quick-and-duty estimate of 10 kt TNT made by physicist Enrico Fermi shortly after witnessing the explosion from what was thought to be a safe distance. (Reportedly, Fermi made his estimate by dropping some shredded bits of paper right before the remnants of the shock wave hit him and looked to see how far they were carried by it.)
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Frontline Workers Scholarsh x Visit OU - Undergraduate Ac x Mechanical Engineering - C x O Frontline Workers Scholarsh x I Course Home A openvellum.ecollege.com/course.html?courseld316544025&OpenVellumHMAC=1bf4397684a361eeedd3b6204a0a6ddc#10001 New Tab E Apps O YouTube M Gmail O Maps O Web design tutori. W MATH180: HW08-. Course Home Problem 8.47 Syllabus 1 of 5> Scores I Review I Constants A conical pendulum is formed by attaching a ball of mass m to a string of length L, then allowing the ball to move in a horizontal circle of radius r. The following figure (Figure 1)shows that the string traces out the surface of a cone, hence the name. Part A еТеxt Find an expression for the tension T in the string. Express your answer in terms of the variables L, m, r and appropriate constants. Study Area Document Sharing Πνα ΑΣφ ? User Settings T = Course Tools > Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Figure 1 of 1> Part B Find an expression for the…
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