Determine the angular momentum of a 78-g particle about the origin of coordinates when the particle is at x = 4.9 m, y = -6.3 m, and it has velocity v = (3.51-80k) m/s.Find the x-component.Express your answer using two significant figures.Lx =ΜΕ ΑΣΦSubmitRequest Answer▼ Part BFind the y-component.Express your answer using two significant figures.Ly=ΜΕ ΑΣΦSubmitRequest AnswerPart CFind the z-component.Express your answer using two significant figures.?kg-m²/s?kg-m²/s

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Answered: Determine the angular momentum of a…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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A flywheel whose moment of inertia / = 200 lb-ft² is spinning at 180 RPM. For a flywheel, KE = Iw²/2, where w is the angular velocity, rad/s. Let g = 32.2 ft/s². Step 1 How high above the surface of the earth, in ft, would a 90 lb mass have to be raised to have its potential energy equal to the kinetic energy of the flywheel? h = i ft
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Please answer C, D, E The angular position of a rod varies as 20.7t2 radians from time t = 0. The rod has two beads on it as shown in the following figure, one at r1 = 13 cm from the rotation axis and the other at r2 = 32 cm from the rotation axis. (Note: figure may not be drawn to scale.) (a) What is the instantaneous angular velocity (in rad/s) of the rod at t = 3 s? (Indicate the direction with the sign of your answer. Round your answer to at least one decimal place.) 1.24.2 rad/s, ANSWERED (b) What is the angular acceleration (in rad/s2) of the rod at t = 3 s? (Indicate the direction with the sign of your answer.) 41.4 rad/s2, ANSWERED (c) What are the tangential speeds of the beads (in m/s) at t = 3 s? vt, 1 =16.146 m/s, ANSWERED vt, 2 =____m/s (d)What are the tangential accelerations of the beads at t = 3 s? (Enter the magnitudes in m/s2.) at, 1 = ______ m/s2 at, 2 = ______ m/s2 (e) What are the centripetal accelerations of the beads at t = 3 s? (Enter the magnitudes…
h A solid disk with mass m and radius R is placed at the top of the ramp and released. The moment of inertia of a flat disk about its center is Icm = 1/2mR?. If the height of the ramp is 0.3 meters, what is the speed of the ball at the bottom of the ramp? Give your answer to 1 decimal place
Needs Complete typed solution with 100 % accuracy.
Needs Complete typed solution with 100 % accuracy.
A person of mass 76 kgkg stands at the center of a rotating merry-go-round platform of radius 3.5 mm and moment of inertia 900 kg⋅m2kg⋅m2 . The platform rotates without friction with angular velocity 0.90 rad/srad/s . The person walks radially to the edge of the platform. Part A Calculate the angular velocity when the person reaches the edge. Express your answer using three significant figures and include the appropriate units.
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A ship's wheel can be approximated as an annular cylinder (different from a ring) of mass 6.7 kilograms, inner radius 25 centimeters, and outer radius 32 centimeters; and eight spokes of mass 0.50 kilograms and length 49 centimeters. a. What is the moment of inertia? Include units in your answer. More information. b. Disagreeing over which way to go, the captain and the helmsman try to turn the wheel in opposite directions. The captain applies a force of 311 newtons at the inner radius, while the helmsman applies a force of 287 newtons at the outer radius. What is the magnitude of the angular acceleration of the wheel? Include units in your answer.
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A child of mass 45 kg stands at the edge of a merry-go-round of mass 120 kg and radius 2.6 m, and both are initially at rest. The child then walks along the edge of the merry-go- round until she reaches a point opposite her starting point as measured on the ground ( point B in the figure below). How far does the child walk as measured relative to the merry - go-round? Start Finish Start Finish В. 3.₁ СА
Two displacement vectors have magnitudes of 5.0 m and 7.0 m, respectively. If these two vectors are added together, the magnitude of the sum... A) is equal to 2.0 m. B) could be as small as 2.0 m or as large as 12 m. C) is equal to 12 m. D) is equal to 8.6 m

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