<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"
        xmlns:xhtml="http://www.w3.org/1999/xhtml"
        xmlns:video="http://www.google.com/schemas/sitemap-video/1.1"
        xmlns:image="http://www.google.com/schemas/sitemap-image/1.1">
    
    <url>
        <loc>https://www.khanacademy.org/science/cosmology-and-astronomy/universe-scale-topic/xcdef9704:special-relativity/v/introduction-to-the-lorentz-transformation</loc>
        
        <xhtml:link rel="alternate" hreflang="bg"
                    href="https://bg.khanacademy.org/science/fizika-12-klas/x112cb472d3611cb1:spetsialna-teoria-na-otnositelnostta/x112cb472d3611cb1:efekti-sto-skorosti/v/introduction-to-the-lorentz-transformation" />
        
        <xhtml:link rel="alternate" hreflang="en"
                    href="https://www.khanacademy.org/science/cosmology-and-astronomy/universe-scale-topic/xcdef9704:special-relativity/v/introduction-to-the-lorentz-transformation" />
        
        <xhtml:link rel="alternate" hreflang="es"
                    href="https://es.khanacademy.org/science/physics/special-relativity/lorentz-transformation/v/introduction-to-the-lorentz-transformation" />
        
        <xhtml:link rel="alternate" hreflang="ka"
                    href="https://ka.khanacademy.org/science/physics/special-relativity/lorentz-transformation/v/introduction-to-the-lorentz-transformation" />
        
        <xhtml:link rel="alternate" hreflang="pt"
                    href="https://pt.khanacademy.org/science/physics/special-relativity/lorentz-transformation/v/introduction-to-the-lorentz-transformation" />
        
        <xhtml:link rel="alternate" hreflang="uz"
                    href="https://uz.khanacademy.org/science/physics/special-relativity/lorentz-transformation/v/introduction-to-the-lorentz-transformation" />
        
        <lastmod>2021-02-07T17:14:00Z</lastmod>
        
        <PageMap xmlns="http://www.google.com/schemas/sitemap-pagemap/1.0">
            <DataObject type="document" id="introduction-to-the-lorentz-transformation">
            <Attribute name="title">Introduction to the Lorentz transformation</Attribute>
            <Attribute name="description">So we&#39;ve got two coordinate systems from the perspectives of two observers. How can we convert spacetime coordinates between these? Enter the Lorentz transformation!</Attribute>
            
            <Attribute name="type">video</Attribute>
            
            </DataObject>
        </PageMap>
        
        <video:video>
            <video:thumbnail_loc>https://cdn.kastatic.org/googleusercontent/icnGzxfben0XFbUvSFObrZPIQAUSRDa5CxADiwhqNXCTE5CmhRj-s1qFmE3PZ40abQ--TEXdhK7bYHem2CMI75k</video:thumbnail_loc>
            <video:title>Introduction to the Lorentz transformation</video:title>
            <video:description>So we&#39;ve got two coordinate systems from the perspectives of two observers. How can we convert spacetime coordinates between these? Enter the Lorentz transformation!</video:description>
            <video:player_loc>https://cdn.kastatic.org/ka-youtube-converted/HIQ5hnm61LQ.mp4/HIQ5hnm61LQ.mp4</video:player_loc>
            <video:duration>501</video:duration>
            <video:category>Effects of special relativity on time, length, mass and energy</video:category>
        </video:video>
        
    </url>
    
    <url>
        <loc>https://www.khanacademy.org/science/cosmology-and-astronomy/universe-scale-topic/xcdef9704:special-relativity/v/evaluating-a-lorentz-transformation</loc>
        
        <xhtml:link rel="alternate" hreflang="bg"
                    href="https://bg.khanacademy.org/science/fizika-12-klas/x112cb472d3611cb1:spetsialna-teoria-na-otnositelnostta/x112cb472d3611cb1:efekti-sto-skorosti/v/evaluating-a-lorentz-transformation" />
        
        <xhtml:link rel="alternate" hreflang="en"
                    href="https://www.khanacademy.org/science/cosmology-and-astronomy/universe-scale-topic/xcdef9704:special-relativity/v/evaluating-a-lorentz-transformation" />
        
        <xhtml:link rel="alternate" hreflang="es"
                    href="https://es.khanacademy.org/science/physics/special-relativity/lorentz-transformation/v/evaluating-a-lorentz-transformation" />
        
        <xhtml:link rel="alternate" hreflang="ka"
                    href="https://ka.khanacademy.org/science/physics/special-relativity/lorentz-transformation/v/evaluating-a-lorentz-transformation" />
        
        <xhtml:link rel="alternate" hreflang="pt"
                    href="https://pt.khanacademy.org/science/physics/special-relativity/lorentz-transformation/v/evaluating-a-lorentz-transformation" />
        
        <xhtml:link rel="alternate" hreflang="uz"
                    href="https://uz.khanacademy.org/science/physics/special-relativity/lorentz-transformation/v/evaluating-a-lorentz-transformation" />
        
        <lastmod>2021-02-07T17:14:01Z</lastmod>
        
        <PageMap xmlns="http://www.google.com/schemas/sitemap-pagemap/1.0">
            <DataObject type="document" id="evaluating-a-lorentz-transformation">
            <Attribute name="title">Evaluating a Lorentz transformation</Attribute>
            <Attribute name="description">We&#39;ll consider an example of the Lorentz transformation with actual numbers, and analyze the results we get.</Attribute>
            
            <Attribute name="type">video</Attribute>
            
            </DataObject>
        </PageMap>
        
        <video:video>
            <video:thumbnail_loc>https://cdn.kastatic.org/googleusercontent/s-XFklOXh761o0skMyRk1TJOdOqC9BPqq4wZH40hWR_8se0hYIOufDSVvJQnwE5eFzf2vC4NR5r7q6OgnyWmYBVB</video:thumbnail_loc>
            <video:title>Evaluating a Lorentz transformation</video:title>
            <video:description>We&#39;ll consider an example of the Lorentz transformation with actual numbers, and analyze the results we get.</video:description>
            <video:player_loc>https://cdn.kastatic.org/ka-youtube-converted/G-aTU0RXJww.mp4/G-aTU0RXJww.mp4</video:player_loc>
            <video:duration>521</video:duration>
            <video:category>Effects of special relativity on time, length, mass and energy</video:category>
        </video:video>
        
    </url>
    
    <url>
        <loc>https://www.khanacademy.org/science/cosmology-and-astronomy/universe-scale-topic/xcdef9704:special-relativity/v/algebraically-manipulating-lorentz-transformation</loc>
        
        <xhtml:link rel="alternate" hreflang="bg"
                    href="https://bg.khanacademy.org/science/fizika-12-klas/x112cb472d3611cb1:spetsialna-teoria-na-otnositelnostta/x112cb472d3611cb1:efekti-sto-skorosti/v/algebraically-manipulating-lorentz-transformation" />
        
        <xhtml:link rel="alternate" hreflang="en"
                    href="https://www.khanacademy.org/science/cosmology-and-astronomy/universe-scale-topic/xcdef9704:special-relativity/v/algebraically-manipulating-lorentz-transformation" />
        
        <xhtml:link rel="alternate" hreflang="es"
                    href="https://es.khanacademy.org/science/physics/special-relativity/lorentz-transformation/v/algebraically-manipulating-lorentz-transformation" />
        
        <xhtml:link rel="alternate" hreflang="ka"
                    href="https://ka.khanacademy.org/science/physics/special-relativity/lorentz-transformation/v/algebraically-manipulating-lorentz-transformation" />
        
        <xhtml:link rel="alternate" hreflang="pt"
                    href="https://pt.khanacademy.org/science/physics/special-relativity/lorentz-transformation/v/algebraically-manipulating-lorentz-transformation" />
        
        <xhtml:link rel="alternate" hreflang="uz"
                    href="https://uz.khanacademy.org/science/physics/special-relativity/lorentz-transformation/v/algebraically-manipulating-lorentz-transformation" />
        
        <lastmod>2021-02-07T17:14:01Z</lastmod>
        
        <PageMap xmlns="http://www.google.com/schemas/sitemap-pagemap/1.0">
            <DataObject type="document" id="algebraically-manipulating-lorentz-transformation">
            <Attribute name="title">Algebraically manipulating Lorentz transformation</Attribute>
            <Attribute name="description">The forms in which we&#39;ve introduced the Lorentz transformations are really nice in that they reveal the symmetry of the two axes of spacetime. But there are other representations: some are just more common in practical use, while others reveal other interesting similarities with classical mechanics!</Attribute>
            
            <Attribute name="type">video</Attribute>
            
            </DataObject>
        </PageMap>
        
        <video:video>
            <video:thumbnail_loc>https://cdn.kastatic.org/googleusercontent/eIu4J4Y-koY9Qn6EGAmdioW7OWSWhA4v_sC761J5VyhMyjwV31jKW0StXKoLoViBnSqF00mPgS1n6q1OGVPRvOM</video:thumbnail_loc>
            <video:title>Algebraically manipulating Lorentz transformation</video:title>
            <video:description>The forms in which we&#39;ve introduced the Lorentz transformations are really nice in that they reveal the symmetry of the two axes of spacetime. But there are other representations: some are just more common in practical use, while others reveal other interesting similarities with classical mechanics!</video:description>
            <video:player_loc>https://cdn.kastatic.org/ka-youtube-converted/Z9DuKef9jkw.mp4/Z9DuKef9jkw.mp4</video:player_loc>
            <video:duration>481</video:duration>
            <video:category>Effects of special relativity on time, length, mass and energy</video:category>
        </video:video>
        
    </url>
    
    <url>
        <loc>https://www.khanacademy.org/science/cosmology-and-astronomy/universe-scale-topic/xcdef9704:special-relativity/v/time-dilation</loc>
        
        <xhtml:link rel="alternate" hreflang="bg"
                    href="https://bg.khanacademy.org/science/fizika-12-klas/x112cb472d3611cb1:spetsialna-teoria-na-otnositelnostta/x112cb472d3611cb1:efekti-sto-skorosti/v/time-dilation" />
        
        <xhtml:link rel="alternate" hreflang="en"
                    href="https://www.khanacademy.org/science/cosmology-and-astronomy/universe-scale-topic/xcdef9704:special-relativity/v/time-dilation" />
        
        <xhtml:link rel="alternate" hreflang="es"
                    href="https://es.khanacademy.org/science/physics/special-relativity/einstein-velocity-addition/v/time-dilation" />
        
        <xhtml:link rel="alternate" hreflang="hy"
                    href="https://hy.khanacademy.org/science/physics/special-relativity/einstein-velocity-addition/v/time-dilation" />
        
        <xhtml:link rel="alternate" hreflang="ka"
                    href="https://ka.khanacademy.org/science/physics/special-relativity/einstein-velocity-addition/v/time-dilation" />
        
        <xhtml:link rel="alternate" hreflang="pt"
                    href="https://pt.khanacademy.org/science/physics/special-relativity/einstein-velocity-addition/v/time-dilation" />
        
        <xhtml:link rel="alternate" hreflang="uz"
                    href="https://uz.khanacademy.org/science/physics/special-relativity/einstein-velocity-addition/v/time-dilation" />
        
        <lastmod>2021-07-13T14:12:20Z</lastmod>
        
        <PageMap xmlns="http://www.google.com/schemas/sitemap-pagemap/1.0">
            <DataObject type="document" id="time-dilation">
            <Attribute name="title">Time dilation</Attribute>
            <Attribute name="description">We&#39;ll start thinking about time dilation in special relativity and how a Loedel diagram can help up appreciate symmetry between inertial frames.</Attribute>
            
            <Attribute name="type">video</Attribute>
            
            </DataObject>
        </PageMap>
        
        <video:video>
            <video:thumbnail_loc>https://cdn.kastatic.org/googleusercontent/XhvRSxxNuEKcATwC8j7Qnf6j5zqh7PRdmPov0xvoR0sT_eiP__RcNM6cW2uRPufsKW-IIMI7VcnB4sl4pVogDTE</video:thumbnail_loc>
            <video:title>Time dilation</video:title>
            <video:description>We&#39;ll start thinking about time dilation in special relativity and how a Loedel diagram can help up appreciate symmetry between inertial frames.</video:description>
            <video:player_loc>https://cdn.kastatic.org/ka-youtube-converted/2BVGig1LXLs.mp4/2BVGig1LXLs.mp4</video:player_loc>
            <video:duration>554</video:duration>
            <video:category>Effects of special relativity on time, length, mass and energy</video:category>
        </video:video>
        
    </url>
    
    <url>
        <loc>https://www.khanacademy.org/science/grade-11-physics-snc-aligned/x1d0fed5276339e80:relativity-and-particle-physics/x1d0fed5276339e80:effects-of-special-relativity-on-time-length-mass-and-energy/v/mass-defect-and-binding-energy-edited</loc>
        
        <xhtml:link rel="alternate" hreflang="en"
                    href="https://www.khanacademy.org/science/grade-11-physics-snc-aligned/x1d0fed5276339e80:relativity-and-particle-physics/x1d0fed5276339e80:effects-of-special-relativity-on-time-length-mass-and-energy/v/mass-defect-and-binding-energy-edited" />
        
        <xhtml:link rel="alternate" hreflang="pl"
                    href="https://pl.khanacademy.org/test-prep/mcat/physical-processes/atomic-nucleus/v/mass-defect-and-binding-energy-edited" />
        
        <lastmod>2021-05-25T21:59:58Z</lastmod>
        
        <PageMap xmlns="http://www.google.com/schemas/sitemap-pagemap/1.0">
            <DataObject type="document" id="mass-defect-and-binding-energy-edited">
            <Attribute name="title">Mass defect and binding energy</Attribute>
            <Attribute name="description">Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-prep/mcat) for MCAT related content. These videos do not provide medical advice and are for informational purposes only. The videos are not intended to be a substitute for professional medical advice, diagnosis or treatment. Always seek the advice of a qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read or seen in any Khan Academy video.</Attribute>
            
            <Attribute name="type">video</Attribute>
            
            </DataObject>
        </PageMap>
        
        <video:video>
            <video:thumbnail_loc>https://cdn.kastatic.org/googleusercontent/yJUDqhsCRQZqoStFeM-rfbK0xjQZKffvPYNlMBCQTnEO09GBybbZFXwUnKPzseAmJT4kKcqnQnvOyIl5F_fxcAez</video:thumbnail_loc>
            <video:title>Mass defect and binding energy</video:title>
            <video:description>Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-prep/mcat) for MCAT related content. These videos do not provide medical advice and are for informational purposes only. The videos are not intended to be a substitute for professional medical advice, diagnosis or treatment. Always seek the advice of a qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read or seen in any Khan Academy video.</video:description>
            <video:player_loc>https://cdn.kastatic.org/ka-youtube-converted/vYKhS35m5Fs.mp4/vYKhS35m5Fs.mp4</video:player_loc>
            <video:duration>688</video:duration>
            <video:category>Effects of special relativity on time, length, mass and energy</video:category>
        </video:video>
        
    </url>
    
</urlset>
