| 210 | 208th LS(210120) Simple Harmonic Oscillations Exercise (PDF .. | jp Park  | 2021-01-21 | 1 |
| 209 | 207th LS(210118) Simple Harmonic Oscillations (PDF P345) | jp Park | 2021-01-19 | 1 |
| 201 | 199th LS(201223) Linear Momentum 연습문제(P282 #2) | jp Park | 2020-12-23 | 1 |
| 200 | 198th LS(201222) Linear Momentum 연습문제(P282 #1) | jp Park | 2020-12-22 | 1 |
| 198 | 196th LS(201215) Ch7. Conservation of Linear Momentum(P278) | jp Park | 2020-12-15 | 1 |
| 196 | 194th LS(201209) Linear Momentum(P264) | jp Park | 2020-12-10 | 1 |
| 195 | 193th LS(201208) AP Physics(P257 #6) | jp Park | 2020-12-09 | 1 |
| 194 | 192th LS(201204) AP Barron(P548 #32) | jp Park | 2020-12-05 | 1 |
| 192 | 190th LS(201130) Work and Kinetic Energy(P238) | jp Park | 2020-12-01 | 1 |
| 190 | 188th LS(201125) Exercise(P226) | jp Park | 2020-11-26 | 1 |
| 189 | 187th LS(201123) Inclined Plane & Exercise(P223 #6) | jp Park | 2020-11-24 | 1 |
| 187 | 185th LS(201118) Friction & Pully Problem(P217) | jp Park | 2020-11-19 | 1 |
| 183 | 181th LS(201109) Projectile Motion(P182) | jp Park | 2020-11-10 | 1 |
| 181 | 179th LS(201103) Cracking AP Physics(P146) | jp Park | 2020-11-03 | 1 |
| 180 | 178th LS(201028) SAT+AP-Calculus AB(Barron)(P556 #9) | jp Park | 2020-10-29 | 1 |
| 177 | 175th LS(201019) SAT질의응답+AP-Calculus AB(Barron)(P519 #16) | jp Park | 2020-10-20 | 1 |
| 176 | 174th LS(201014) SAT질의응답+Ap-Calculus AB(Barron)(#45) | jp Park | 2020-10-15 | 1 |
| 172 | 170th LS(201001) SAT질의응답+Ap-Calculus AB(Barron)(#9) | jp Park | 2020-10-02 | 1 |
| 171 | 169th LS(200928) SAT질의응답+Ap-Master Calculus AB(#37) | jp Park | 2020-09-29 | 1 |
| 169 | 167th LS(200921) SAT질의응답+Ap-Master Calculus AB(#45) | jp Park | 2020-09-22 | 1 |
