קישורים לשיעורים מוקלטים (ע"י דוד כפרי):
https://pop.education.gov.il/online-learning/vod-broadcasts/broadcast-1-4/physics-a-1-4-12
https://pop.education.gov.il/online-learning/vod-broadcasts/broadcast-1-4/physics-b-1-4-12
בעיות
