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…

University Physics Volume 1

18th Edition

ISBN:9781938168277

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

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

Chapter11: Angular Momentum

Section: Chapter Questions

Problem 42P: At a particular instant, a 1.0-kg particle’s position is , its velocity is , and the force on it is...

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The axis of Earth makes a 23.5 angle with a direction perpendicular to the plane of Earth’s orbit. As shown below, this axis precesses, making one complete rotation in 25,780 y. (a) Calculate the change in angular momentum in half this time. (b) What is the average torque producing this change in angular momentum? (c) If this torque were created by a pair of forces acting at the most effective point on the equator, what would the magnitude of each force be?
The centrifuge at NASA Ames Research Center has a radius of 8.8 m and can produce farces on its payload of 20 gs or 20 times the force of gravity on Earth. (a) What is the angular momentum of a 20-kg payload that experiences 10 gs in the centrifuge? (b) If the driver motor was turned off in (a) and the payload lost 10 kg, what would be its new spin rate, taking into account there are no frictional forces present?
A long, thin rod of mass m = 5.00 kg and length = 1.20 m rotates around an axis perpendicular to the rod with an angularspeed of 3.00 rad/s. a. What is the angular momentum of therod if the axis passes through the rods midpoint? b. What is theangular momentum of the rod if the axis passes through a pointhalfway between its midpoint and its end?
In (Figure 1), take m₁ = 3.4 kg and m² = 4.2 kg. Figure 5m 8 m/s 4 m m MAD 1.5 m 0 2 m 4 m ma B 30° 1m2 6 m/s X 1 of 1 Part A Determine the z component of the angular momentum Ho of particle A about point O. Express your answer in kilogram-meters squared per second to three significant figures. ΑΣΦΗ Πvec (Ho): = 124.19 Submit Previous Answers Request Answer * Incorrect; Try Again; 2 attempts remaining Part B (Ho): = Determine the z component of the angular momentum Ho of particle B about point O. Suppose that Express your answer in kilogram-meters squared per second to three significant figures. ΕΠΙΑΣΦΠ Submit vec Provide Feedback Previous Answers Request Answer * Incorrect; Try Again; 5 attempts remaining ? kg.m²/s ? kg.m²/s
In orbit mechanics, the angular momentum is also an important quantity governing the satellite's motion. Assume planar motion, a satellite is orbiting around Earth center within a fixed plane. Thus it's motion is completely described by the distance r and the angle (relative to some reference direction). êo 0 (center of Earth) êr PO.. P (satellite) satellite's trajectory Obtain the satellite's angular momentum with respect to Earth center. For spacecrafts, the angular momentum (h) is h = Fx, it is independent of mass. What is the magnitude of h?
A particle of mass 1.30 kg is moving with velocity (7.41 +5.6) m/s. Part A Find the angular momentum ₺ relative to the origin when the particle is at ŕ = (2.0ĵ +4.2k) m. Enter your answers in indicated order separated by commas. Express your answer using two significant figures. | ΑΣΦ Lx, Ly, Lx = Submit Request Answer ? kg-m²/s Part B At position ☛ a force of ☛ = 4.3 NÎ is applied to the particle. Find the torque relative to the origin. Enter your answers in indicated order separated by commas. Express your answer using two significant figures. Tx, Ty, Tz = ΜΕ ΑΣΦ ? m-N
An 800g ball with radius 2cm is travelling inthe +x direction at 5m/s. It strikes a stationaryball, with mass 500g and radius 2cm. The contactis off center, with the y-components of the ballscenters off by 1cm. After the collision, the lighterball has a speed of 3m/s.What is the velocity of the heavier ball? Howmuch energy was lost in the collision?
A bird flies overhead from where you stand at an altitude of 310.0ĵ m and at a velocity horizontal to the ground of 14.0î m/s. The bird has a mass of 1.8 kg. The radius vector to the bird makes an angle ? with respect to the ground. The radius vector to the bird lies in the xy-plane. What is the bird's angular momentum (in kg · m2/s) about the point where you are standing? (Express your answer in vector form.)
Figure 3 ft 4 ft 5 ft. < 1 of 1 If F₁ = {100i - 125j + 95k} lb and F₂ = {−210i + 280j + 100k} lb, determine the resultant moment produced by these forces about point O. Express the result as components of a Cartesian vector. (Figure 1) Enter the x, y, and components of the moment of force separated by commas. Mo = Submit V— ΑΣΦ 510, 1110,950 vec Provide Feedback Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining lb. ft
A car of mass 7,772 kg moves with a speed of 27 m/s on a circular track with a diameter of 797 m. What is the magnitude of its angular momentum relative to the center of the race track? Express answer in x106 kg.m²/s with one decimal place.
Three dimensions. Three point particles are fixed in place in an xyz coordinate system. Particle A, at the origin, has mass ma. Particle B, at xyz coordinates (3.00d, 1.00d, 3.00d), has mass 4.00ma, and particle C, at coordinates (-2.00d, 1.00d, -1.00d), has mass 2.00ma. A fourth particle D, with mass 3.00ma, is to be placed near the other particles. If distance d = 4.50 m, at what (a) x, (b) y, and (c) z coordinate should D be placed so that the net gravitational force on A from B, C, and D is zero? (a) Number Units (b) Number |Units (c) Number Units
Constants I Periodic Ta A particle of mass 1.50 kg is moving with velocity v = (7.6î + 6.03) m/s. Part A Find the angular momentum L relative to the origin when the particle is ati = (2.9j + 4.6k) m. || Enter your answers in indicated order separated by commas. Express your answer using two significant figures. HV ΑΣφ ? Lx, Ly, L, = kg m2 /s %3D Submit Request Answer Part B At position r a force of F = 4.6 Ni is applied to the particle. Find the torque relative to the origin.

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