Quarks, Spacetime and the Big Bang Wiki

This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong.

<h1>Lessons</h1> <div class="level1"> <hr /> </div> <h2>Lesson 1</h2> <div class="level2"> </div> <h3>Motion</h3> <div class="level3"> <p> Motion (along with momentum and energy) is one of the building blocks to our treatment of Einstein's Special Theory of Relativity. </p> <ul> <li class="level1"> You will understand how velocity relates to distance and time.</li> <li class="level1"> You'll become experienced with two of our three "motion diagrams": Space-Diagrams and Spacetime Diagrams.</li> <li class="level1"> You'll be able to calculate velocities from $v=\frac{\Delta x}{\Delta t};$ accelerations from $a=\frac{\Delta v}{\Delta t};$ and, by limiting ourselves to constant acceleration, you'll learn that the distance traveled under that condition is $x = \frac{1}{2}at^2$.</li> <li class="level1"> Finally, you'll appreciate that the "falling" near the earth is due to a constant acceleration which was found by Galileo Galilei, but not understood until Isaac Newton.</li> </ul> </div> <h4>lesson videos (about 130 minutes)</h4> <div class="level4"> <span class='np_break'> </span> <div class="table sectionedit1"><table class="inline"> <thead> <tr class="row0"> <th class="col0">section/video</th><th class="col1">approximate viewing time</th><th class="col2"><b>complete before class number:</b> </th> </tr> </thead> <tr class="row1"> <td class="leftalign"><a href="https://qstbb.pa.msu.edu/storage/1_motion/_1.1_motion_aveV_v3f_wm/" class="urlextern" title="https://qstbb.pa.msu.edu/storage/1_motion/_1.1_motion_aveV_v3f_wm/" rel="nofollow">1.1 constant velocity</a> </td><td class="leftalign">39 min (covered first day) </td><td class="centeralign"> 2, January 12 </td> </tr> <tr class="row2"> <td class="leftalign"><a href="https://qstbb.pa.msu.edu/storage/1_motion/_1.2_motion_units_wm_v2f/" class="urlextern" title="https://qstbb.pa.msu.edu/storage/1_motion/_1.2_motion_units_wm_v2f/" rel="nofollow">1.2 units and vectors</a> </td><td class="col1">29 min (covered first day)</td><td class="centeralign"> 2 </td> </tr> <tr class="row3"> <td class="leftalign"><a href="https://qstbb.pa.msu.edu/storage/1_motion/_1.3_motion_accel_v2_wm/" class="urlextern" title="https://qstbb.pa.msu.edu/storage/1_motion/_1.3_motion_accel_v2_wm/" rel="nofollow">1.3 constantly accelerated motion</a> </td><td class="col1">16 min (covered first day)</td><td class="centeralign"> 2 </td> </tr> <tr class="row4"> <td class="leftalign"><a href="https://qstbb.pa.msu.edu/storage/1_motion/_1.4_motion_galileo_g_wm/" class="urlextern" title="https://qstbb.pa.msu.edu/storage/1_motion/_1.4_motion_galileo_g_wm/" rel="nofollow">1.4 Galileo's analysis of falling motion </a> </td><td class="col1">30 min</td><td class="centeralign"> 2 </td> </tr> <tr class="row5"> <td class="leftalign"><a href="https://qstbb.pa.msu.edu/storage/1_motion/_1.5_motion_projectiles_v2_wmq/" class="urlextern" title="https://qstbb.pa.msu.edu/storage/1_motion/_1.5_motion_projectiles_v2_wmq/" rel="nofollow">1.5 projectile motion</a> </td><td class="col1">23 min</td><td class="centeralign"> 2 </td> </tr> </table> <span class='np_break'> </span> </div> </div> <h4>examples</h4> <div class="level4"> </div> <h4>TBA</h4> <div class="level4"> </div> <h4>extras</h4> <div class="level4"> <p> <a href="https://qstbb.pa.msu.edu/storage/1_motion/_vector_addition.mp4" class="urlextern" title="https://qstbb.pa.msu.edu/storage/1_motion/_vector_addition.mp4" rel="nofollow">vector addition and subtraction</a> 19 min </p> <p> <a href="https://qstbb.pa.msu.edu/storage/1_motion/_light_years.mp4" class="urlextern" title="https://qstbb.pa.msu.edu/storage/1_motion/_light_years.mp4" rel="nofollow">light-years</a> 15 min </p> <p> <a href="https://qstbb.pa.msu.edu/storage/1_motion/_airbus.mp4" class="urlextern" title="https://qstbb.pa.msu.edu/storage/1_motion/_airbus.mp4" rel="nofollow">airbus 330 300 speed at V1</a> 7 min </p> <hr /> </div> <h2>Lesson 2 Momentum and Force</h2> <div class="level2"> <p> Momentum! is one of Newton's very important "discoveries" and we'll use it repeatedly. It's $p=mv$…where $m$ is mass (another Newton invention) and $v$ is velocity. </p> <ul> <li class="level1"> You'll learn how momentum is related to force as $F\Delta t = \Delta p $</li> <li class="level1"> You'll play with Newton's 3 laws of motion, but we'll not dwell on details of force problems like you would in a comprehensive physics course. Again, we're aiming at Relativity!</li> <li class="level1"> We'll spend most of our time on linear momentum ideas, but we will need to cover circular motion in order to follow Newton's Universal Law of Gravitation.</li> <li class="level1"> You'll learn how to play golf.</li> </ul> </div> <h4>lesson videos (about 58 minutes</h4> <div class="level4"> <span class='np_break'> </span> <div class="table sectionedit2"><table class="inline"> <thead> <tr class="row0"> <th class="col0">section/video</th><th class="col1">approximate viewing time</th><th class="col2"><b>complete before class number:</b> </th> </tr> </thead> <tr class="row1"> <td class="leftalign"><a href="https://qstbb.pa.msu.edu/storage/2_momentum_force/_2.1_momentum_wmQ_v2/" class="urlextern" title="https://qstbb.pa.msu.edu/storage/2_momentum_force/_2.1_momentum_wmQ_v2/" rel="nofollow">2.1 momentum and impulse</a> </td><td class="leftalign">30 min </td><td class="centeralign"> 2 </td> </tr> <tr class="row2"> <td class="leftalign"><a href="https://qstbb.pa.msu.edu/storage/2_momentum_force/_2.2_momentum_laws_v1/" class="urlextern" title="https://qstbb.pa.msu.edu/storage/2_momentum_force/_2.2_momentum_laws_v1/" rel="nofollow">2.2 Newton's laws</a> </td><td class="col1">20 min</td><td class="centeralign"> 2 </td> </tr> <tr class="row3"> <td class="leftalign"><a href="https://qstbb.pa.msu.edu/storage/2_momentum_force/_2.3_momentum_forceresolve_v1/" class="urlextern" title="https://qstbb.pa.msu.edu/storage/2_momentum_force/_2.3_momentum_forceresolve_v1/" rel="nofollow">2.3 balancing forces</a> </td><td class="col1">7.5 min</td><td class="centeralign"> 2 </td> </tr> </table> <span class='np_break'> </span> </div> </div> <h4>extras</h4> <div class="level4"> <p> <a href="https://qstbb.pa.msu.edu/storage/2_momentum_force/guyfalling.mp4" class="urlextern" title="https://qstbb.pa.msu.edu/storage/2_momentum_force/guyfalling.mp4" rel="nofollow">guy falling!</a> </p> <p> <a href="https://qstbb.pa.msu.edu/storage/2_momentum_force/thirdlaw.mp4" class="urlextern" title="https://qstbb.pa.msu.edu/storage/2_momentum_force/thirdlaw.mp4" rel="nofollow">third law</a> </p> <p> <a href="https://qstbb.pa.msu.edu/storage/2_momentum_force/_2.4_momentum_circular_wmq_v1/" class="urlextern" title="https://qstbb.pa.msu.edu/storage/2_momentum_force/_2.4_momentum_circular_wmq_v1/" rel="nofollow">2.4 circular motion</a> 34 min </p> <hr /> </div> <h2>Lesson 3 Collisions</h2> <div class="level2"> <p> Much of our interest in particle physics comes from analyzing collisions of protons with protons (or antiprotons!), electrons with antielectrons, or neutrinos with protons, and so on. We'll concentrate on just a few configurations of one thing colliding with one thing. Buried in this discussion is the important concept of momentum conservation. </p> <ul> <li class="level1"> You'll learn how collisions "conserve" momentum…and about the crucial idea of "conservation laws." Nature loves conservation laws.</li> <li class="level1"> You'll see neutrinos.</li> <li class="level1"> You'll learn to skate and how to become a neutron star.</li> </ul> </div> <h4>lesson videos (about 64 minutes)</h4> <div class="level4"> <span class='np_break'> </span> <div class="table sectionedit3"><table class="inline"> <thead> <tr class="row0"> <th class="col0">section/video</th><th class="col1">approximate viewing time</th><th class="col2"><b>complete before class number:</b> </th> </tr> </thead> <tr class="row1"> <td class="leftalign"><a href="https://qstbb.pa.msu.edu/storage/3_collisions/_3.1_collisions_momcons_wm_v1f/" class="urlextern" title="https://qstbb.pa.msu.edu/storage/3_collisions/_3.1_collisions_momcons_wm_v1f/" rel="nofollow">3.1 momentum conservation</a> </td><td class="leftalign">(unintended gap of a few seconds @ 8:55 mark) 13 min </td><td class="centeralign"> 3, January 17 </td> </tr> <tr class="row2"> <td class="leftalign"><a href="https://qstbb.pa.msu.edu/storage/3_collisions/_3.2_collisions_simplest_wm_v1/" class="urlextern" title="https://qstbb.pa.msu.edu/storage/3_collisions/_3.2_collisions_simplest_wm_v1/" rel="nofollow">3.2 the simplest collision (?)</a> </td><td class="col1">13 min</td><td class="centeralign"> 3 </td> </tr> <tr class="row3"> <td class="leftalign"><a href="https://qstbb.pa.msu.edu/storage/3_collisions/_3.3_collisions_diagrams_wm_v1/" class="urlextern" title="https://qstbb.pa.msu.edu/storage/3_collisions/_3.3_collisions_diagrams_wm_v1/" rel="nofollow">3.3 our three diagrams</a> </td><td class="col1">19 min</td><td class="centeralign"> 3 </td> </tr> <tr class="row4"> <td class="leftalign"><a href="https://qstbb.pa.msu.edu/storage/3_collisions/_3.4_collisions_2d_v1/" class="urlextern" title="https://qstbb.pa.msu.edu/storage/3_collisions/_3.4_collisions_2d_v1/" rel="nofollow">3.4 2 dimensions</a> </td><td class="col1">11 min</td><td class="centeralign"> 3 </td> </tr> <tr class="row5"> <td class="leftalign"><a href="https://qstbb.pa.msu.edu/storage/3_collisions/_3.5_collisions_angular_v1_q_fixlast/" class="urlextern" title="https://qstbb.pa.msu.edu/storage/3_collisions/_3.5_collisions_angular_v1_q_fixlast/" rel="nofollow">3.5 conservation of angular momentum</a> </td><td class="col1">8 min</td><td class="centeralign"> 3 </td> </tr> </table> <span class='np_break'> </span> </div> </div> <h4>extras</h4> <div class="level4"> <hr /> </div> <h2>Lesson 4 Energy</h2> <div class="level2"> <p> Motion (along with momentum and energy) is one of the building blocks to our treatment of Einstein's Special Theory of Relativity </p> </div> <h4>lesson videos (about 2 hours)</h4> <div class="level4"> <span class='np_break'> </span> <div class="table sectionedit4"><table class="inline"> <tr class="row0"> </tr> </table> <span class='np_break'> </span> </div> <span class='np_break'> </span> <div class="table sectionedit5"><table class="inline"> <tr class="row0"> <th class="col0">section/video</th> </tr> </table> <span class='np_break'> </span> </div> <span class='np_break'> </span> <div class="table sectionedit6"><table class="inline"> <thead> <tr class="row0"> <th class="col0">section/video</th><th class="col1">approximate viewing time</th><th class="col2"><b>complete before class number:</b> </th> </tr> </thead> <tr class="row1"> <td class="leftalign"><a href="https://qstbb.pa.msu.edu/storage/4_energy/_4.1_energy_conservationNoether_wm_v1/" class="urlextern" title="https://qstbb.pa.msu.edu/storage/4_energy/_4.1_energy_conservationNoether_wm_v1/" rel="nofollow">4.1 conservation laws</a> </td><td class="leftalign"><em>this includes a 5,000 foot discussion of a very sophisticated idea about symmetry</em> 13 min </td><td class="centeralign"> 3 </td> </tr> <tr class="row2"> <td class="leftalign"><a href="https://qstbb.pa.msu.edu/storage/4_energy/_4.2a_energy_kinetic_wm_v1/" class="urlextern" title="https://qstbb.pa.msu.edu/storage/4_energy/_4.2a_energy_kinetic_wm_v1/" rel="nofollow">4.2a kinetic energy and work</a> </td><td class="col1">18 min</td><td class="centeralign"> 3 </td> </tr> <tr class="row3"> <td class="leftalign"><a href="https://qstbb.pa.msu.edu/storage/4_energy/_4.2b_energy_pitcher_wm_v1/" class="urlextern" title="https://qstbb.pa.msu.edu/storage/4_energy/_4.2b_energy_pitcher_wm_v1/" rel="nofollow">4.2b units of energy</a> </td><td class="col1">10 min</td><td class="centeralign"> 4, January 19 </td> </tr> <tr class="row4"> <td class="leftalign"><a href="https://qstbb.pa.msu.edu/storage/4_energy/4.2c_energy_potential_v1/" class="urlextern" title="https://qstbb.pa.msu.edu/storage/4_energy/4.2c_energy_potential_v1/" rel="nofollow">4.2c kinetic energy and work</a> </td><td class="col1">20 min</td><td class="centeralign"> 4 </td> </tr> <tr class="row5"> <td class="leftalign"><a href="https://qstbb.pa.msu.edu/storage/4_energy/_4.2d_energy_elasticity_conservation_v1/" class="urlextern" title="https://qstbb.pa.msu.edu/storage/4_energy/_4.2d_energy_elasticity_conservation_v1/" rel="nofollow">4.2d potential energy</a> </td><td class="col1">17 min</td><td class="centeralign"> 4 </td> </tr> <tr class="row6"> <td class="leftalign"><a href="https://qstbb.pa.msu.edu/storage/4_energy/_4.3_energy_conservation_value_v1/" class="urlextern" title="https://qstbb.pa.msu.edu/storage/4_energy/_4.3_energy_conservation_value_v1/" rel="nofollow">4.3 conservation of energy, heat, & energy analogy as "value"</a> </td><td class="col1">24 min</td><td class="centeralign"> 4 </td> </tr> <tr class="row7"> <td class="leftalign"><a href="https://qstbb.pa.msu.edu/storage/4_energy/_4.4_energy_collisions_apple_wmq_v1/" class="urlextern" title="https://qstbb.pa.msu.edu/storage/4_energy/_4.4_energy_collisions_apple_wmq_v1/" rel="nofollow">4.4 classifying collisions and dropping an apple</a> </td><td class="col1">14 min</td><td class="centeralign"> 4 </td> </tr> </table> <span class='np_break'> </span> </div> </div> <h4>extras</h4> <div class="level4"> <hr /> </div> <h2>Lesson 5 Cosmology 1, the Greeks</h2> <div class="level2"> <p> Motion (along with momentum and energy) is one of the building blocks to our treatment of Einstein's Special Theory of Relativity </p> </div> <h4>lesson videos (about 45 minutes)</h4> <div class="level4"> <span class='np_break'> </span> <div class="table sectionedit7"><table class="inline"> <thead> <tr class="row0"> <th class="col0">section/video</th><th class="col1">approximate viewing time</th><th class="col2"><b>complete before class number:</b> </th> </tr> </thead> <tr class="row1"> <td class="leftalign"><a href="https://qstbb.pa.msu.edu/storage/5_cosmology_1_greeks/5.1_Cosmology1_greeks_v2_bigmecoloradjust/" class="urlextern" title="https://qstbb.pa.msu.edu/storage/5_cosmology_1_greeks/5.1_Cosmology1_greeks_v2_bigmecoloradjust/" rel="nofollow">5.1 what did the ancients know?</a> </td><td class="leftalign"><em>9</em> min (largely entertainment) </td><td class="centeralign"> 4 </td> </tr> <tr class="row2"> <td class="leftalign"><a href="https://qstbb.pa.msu.edu/storage/5_cosmology_1_greeks/_5.2_cosmology1_q_v1/" class="urlextern" title="https://qstbb.pa.msu.edu/storage/5_cosmology_1_greeks/_5.2_cosmology1_q_v1/" rel="nofollow">5.2 the Greek astronomy starting team</a> </td><td class="col1">36 min (largely entertainment)</td><td class="centeralign"> 4 </td> </tr> </table> <span class='np_break'> </span> </div> </div> <h4>extras</h4> <div class="level4"> <p> <a href="https://qstbb.pa.msu.edu/storage/5_cosmology_1_greeks/sky1greeks2.mov" class="urlextern" title="https://qstbb.pa.msu.edu/storage/5_cosmology_1_greeks/sky1greeks2.mov" rel="nofollow">sky1greeks2</a> </p> <hr /> </div> <h2>Lesson 6 Cosmology 2, Copernicus</h2> <div class="level2"> <p> Motion (along with momentum and energy) is one of the building blocks to our treatment of Einstein's Special Theory of Relativity </p> </div> <h4>lesson videos (about 33 minutes)</h4> <div class="level4"> <span class='np_break'> </span> <div class="table sectionedit8"><table class="inline"> <thead> <tr class="row0"> <th class="col0">section/video</th><th class="col1">approximate viewing time</th><th class="col2"><b>complete before class number:</b> </th> </tr> </thead> <tr class="row1"> <td class="leftalign"><a href="https://qstbb.pa.msu.edu/storage/6_cosmology_2_copernicus/6.1_cosmology2_copernicus_v1_/" class="urlextern" title="https://qstbb.pa.msu.edu/storage/6_cosmology_2_copernicus/6.1_cosmology2_copernicus_v1_/" rel="nofollow">6.1 Copernicus</a> </td><td class="leftalign">33 min (largely entertainment) </td><td class="centeralign"> 5, January 24 </td> </tr> <tr class="row2"> <td class="leftalign">6.2 the aftermath (same movie as above) </td><td class="col1">29 min</td><td class="centeralign"> 5 </td> </tr> </table> <span class='np_break'> </span> </div> </div> <h2>Lesson 7 Cosmology 3, Tycho, Kepler, and Galileo</h2> <div class="level2"> <p> Motion (along with momentum and energy) is one of the building blocks to our treatment of Einstein's Special Theory of Relativity </p> </div> <h4>lesson videos (about 94 minutes)</h4> <div class="level4"> <span class='np_break'> </span> <div class="table sectionedit9"><table class="inline"> <thead> <tr class="row0"> <th class="col0">section/video</th><th class="col1">approximate viewing time</th><th class="col2"><b>complete before class number:</b> </th> </tr> </thead> <tr class="row1"> <td class="leftalign"><a href="https://qstbb.pa.msu.edu/storage/7_cosmology_3_tychoGalileoKepler/_7.1_cosmology3_tycho_v2/" class="urlextern" title="https://qstbb.pa.msu.edu/storage/7_cosmology_3_tychoGalileoKepler/_7.1_cosmology3_tycho_v2/" rel="nofollow">7.1 Tycho's astronomy</a> </td><td class="leftalign">17 min </td><td class="centeralign"> 5 </td> </tr> <tr class="row2"> <td class="leftalign"><a href="https://qstbb.pa.msu.edu/storage/7_cosmology_3_tychoGalileoKepler/_7.2_cosmology3_kepler_v3/" class="urlextern" title="https://qstbb.pa.msu.edu/storage/7_cosmology_3_tychoGalileoKepler/_7.2_cosmology3_kepler_v3/" rel="nofollow">7.2 Kepler's astrophysics</a> </td><td class="col1">14 min</td><td class="centeralign"> 5 </td> </tr> <tr class="row3"> <td class="leftalign"><a href="https://qstbb.pa.msu.edu/storage/7_cosmology_3_tychoGalileoKepler/_7.3_cosmology3_keplerslaws_v1/" class="urlextern" title="https://qstbb.pa.msu.edu/storage/7_cosmology_3_tychoGalileoKepler/_7.3_cosmology3_keplerslaws_v1/" rel="nofollow">7.3 Kepler's Laws</a> </td><td class="col1">20 min</td><td class="centeralign"> 5 </td> </tr> <tr class="row4"> <td class="leftalign"><a href="https://qstbb.pa.msu.edu/storage/7_cosmology_3_tychoGalileoKepler/_7.4_cosmology3_galileo_v1/" class="urlextern" title="https://qstbb.pa.msu.edu/storage/7_cosmology_3_tychoGalileoKepler/_7.4_cosmology3_galileo_v1/" rel="nofollow">7.4 Galileo's astronomy</a> </td><td class="col1">43 min</td><td class="centeralign"> 5 </td> </tr> </table> <span class='np_break'> </span> </div><hr /> </div> <h2>Lesson 8 Newton and the Universal Law of Gravitation</h2> <div class="level2"> <p> Motion (along with momentum and energy) is one of the building blocks to our treatment of Einstein's Special Theory of Relativity </p> </div> <h4>lesson videos (about 146 minutes)</h4> <div class="level4"> <span class='np_break'> </span> <div class="table sectionedit10"><table class="inline"> <thead> <tr class="row0"> <th class="col0">section/video</th><th class="col1">approximate viewing time</th><th class="col2"><b>complete before class number:</b> </th> </tr> </thead> <tr class="row1"> <td class="leftalign"><a href="https://qstbb.pa.msu.edu/storage/8_cosmology_4_Newton/8.1_cosmology4_wmf_v4/" class="urlextern" title="https://qstbb.pa.msu.edu/storage/8_cosmology_4_Newton/8.1_cosmology4_wmf_v4/" rel="nofollow">8.1 getting to gravitation</a> </td><td class="leftalign">30 min </td><td class="centeralign"> 5 </td> </tr> <tr class="row2"> <td class="leftalign"><a href="https://qstbb.pa.msu.edu/storage/8_cosmology_4_Newton/8.2_cosmology4_wmf_v3/" class="urlextern" title="https://qstbb.pa.msu.edu/storage/8_cosmology_4_Newton/8.2_cosmology4_wmf_v3/" rel="nofollow">8.2 the apple</a> </td><td class="col1">24 min</td><td class="centeralign"> 5 </td> </tr> <tr class="row3"> <td class="leftalign"><a href="https://qstbb.pa.msu.edu/storage/8_cosmology_4_Newton/8.3_cosmology4_universalG_wm_v1/" class="urlextern" title="https://qstbb.pa.msu.edu/storage/8_cosmology_4_Newton/8.3_cosmology4_universalG_wm_v1/" rel="nofollow">8.3 Universal Gravitation</a> </td><td class="col1">19 min</td><td class="centeralign"> 6, January 26 </td> </tr> <tr class="row4"> <td class="leftalign"><a href="https://qstbb.pa.msu.edu/storage/8_cosmology_4_Newton/8.4_cosmology4_universalGravPotential_wm_v1/" class="urlextern" title="https://qstbb.pa.msu.edu/storage/8_cosmology_4_Newton/8.4_cosmology4_universalGravPotential_wm_v1/" rel="nofollow">8.4 gravitational potential energy</a> </td><td class="col1">37 min</td><td class="centeralign"> 6 </td> </tr> <tr class="row5"> <td class="leftalign"><a href="https://qstbb.pa.msu.edu/storage/8_cosmology_4_Newton/8.5_cosmology4_actionatadistance_v1/" class="urlextern" title="https://qstbb.pa.msu.edu/storage/8_cosmology_4_Newton/8.5_cosmology4_actionatadistance_v1/" rel="nofollow">8.5 action at a distance and Newton's cosmology</a> </td><td class="col1">35 min</td><td class="centeralign"> 6 </td> </tr> <tr class="row6"> <td class="leftalign"><a href="https://qstbb.pa.msu.edu/storage/8_cosmology_4_Newton/8.6_cosmology4_consequences_v1/" class="urlextern" title="https://qstbb.pa.msu.edu/storage/8_cosmology_4_Newton/8.6_cosmology4_consequences_v1/" rel="nofollow">8.6 consequences of Universal Gravitation</a> </td><td class="col1">17 min</td><td class="centeralign"> 6 </td> </tr> </table> <span class='np_break'> </span> </div> </div> <h4>extras</h4> <div class="level4"> <p> here </p> </div> <h2>Lesson 9 Electricity and Magnetism</h2> <div class="level2"> <hr /> <p> Electricity and Magnetism were formalized in the middle of the 19th century after inventing the very useful concept of the "field." </p> </div> <h4>lesson videos (about XX minutes)</h4> <div class="level4"> <span class='np_break'> </span> <div class="table sectionedit11"><table class="inline"> <thead> <tr class="row0"> <th class="col0">section/video</th><th class="col1">approximate viewing time</th><th class="col2"><b>complete before class number:</b> </th> </tr> </thead> <tr class="row1"> <td class="leftalign"> </td><td class="leftalign">25 min </td><td class="centeralign"> 7, January 24 </td> </tr> <tr class="row2"> <td class="leftalign"> </td><td class="col1">30 min</td><td class="centeralign"> 1 </td> </tr> <tr class="row3"> <td class="leftalign"> </td><td class="col1">16 min</td><td class="centeralign"> 1 </td> </tr> <tr class="row4"> <td class="leftalign"> </td><td class="col1">30 min</td><td class="centeralign"> 1 </td> </tr> <tr class="row5"> <td class="leftalign"> </td><td class="col1">23 min</td><td class="centeralign"> 2 </td> </tr> </table> <span class='np_break'> </span> </div> <p> here </p> </div> <h4>extras</h4> <div class="level4"> <p> here </p> <hr /> </div> <h2>Lesson X Title</h2> <div class="level2"> <hr /> <p> Motion (along with momentum and energy) is one of the building blocks to our treatment of Einstein's Special Theory of Relativity </p> </div> <h4>lesson videos (about XX minutes)</h4> <div class="level4"> <span class='np_break'> </span> <div class="table sectionedit12"><table class="inline"> <thead> <tr class="row0"> <th class="col0">section/video</th><th class="col1">approximate viewing time</th><th class="col2"><b>complete before class number:</b> </th> </tr> </thead> <tr class="row1"> <td class="leftalign"> </td><td class="leftalign">39 min </td><td class="centeralign"> 1 </td> </tr> <tr class="row2"> <td class="leftalign"> </td><td class="col1">29 min</td><td class="centeralign"> 1 </td> </tr> <tr class="row3"> <td class="leftalign"> </td><td class="col1">16 min</td><td class="centeralign"> 1 </td> </tr> <tr class="row4"> <td class="leftalign"> </td><td class="col1">30 min</td><td class="centeralign"> 1 </td> </tr> <tr class="row5"> <td class="leftalign"> </td><td class="col1">23 min</td><td class="centeralign"> 2 </td> </tr> </table> <span class='np_break'> </span> </div> <p> here </p> </div> <h4>extras</h4> <div class="level4"> <p> here </p> <p> <br/> </p> </div> <!-- EDIT12 TABLE [10290-] --><!-- EDIT11 TABLE [9863-] --><!-- EDIT10 TABLE [8660-] --><!-- EDIT9 TABLE [7784-] --><!-- EDIT8 TABLE [7252-] --><!-- EDIT7 TABLE [6509-] --><!-- EDIT6 TABLE [5156-] --><!-- EDIT5 TABLE [5139-] --><!-- EDIT4 TABLE [5136-] --><!-- EDIT3 TABLE [4153-] --><!-- EDIT2 TABLE [2725-] --><!-- EDIT1 TABLE [918-] -->