Universe
Universe
11th Edition
ISBN: 9781319039448
Author: Robert Geller, Roger Freedman, William J. Kaufmann
Publisher: W. H. Freeman
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Chapter 20, Problem 17Q
To determine

The time required by the Ring Nebula to shed its outer layer if the expanding rate of the Ring Nebula is 20 km/s and it is 2700 ly from Earth.

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A block of mass m₁ = 1.85 kg and a block of mass m₂ is 0.360 for both blocks. = m M, R m2 Ꮎ 5.90 kg are connected by a massless string over a pulley in the shape of a solid disk having a mass of M = 10.0 kg. The fixed, wedge-shaped ramp makes an angle of 0 = 30.0° as shown in the figure. The coefficient of kinetic friction (a) Determine the acceleration of the two blocks. (Enter the magnitude of the acceleration.) x m/s² (b) Determine the tensions in the string on both sides of the pulley. left of the pulley × N right of the pulley X N Enter a number.
What is the error determined by the 2/3 rule?

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