Bài 2: (1.3/16/SBT). Một chất điểm chuyển động trên một đường thẳng. Nửa quãng đường đầu nó đi với vận tốc V0; Trong phân nửa thời gian trên quãng đường còn lại nó đi với vận tốc V1, và trong thời
gian còn lại, nó đi với vận tốc V2. Tính vận tốc trung bình của chất điểm trên cả quãng đường.

Aray diagram for a refracted light day is shown. what does the dashed line represent

Date chapter motion and speed review part a. vocabulary review directions: write the terms that match each description below in thes complete the sentence in number 13. ich each description below in the spaces provided. the boxed letters will 1. equal forces acting in opposite directions (2 words) 2. occurs when an object's velocity decreases (2 words) 3. sum of all forces acting on an object (2 words) 4. total distance divided by total time (2 words) 5. name for the slant of a line on a graph 6. distance divided by time 7. a push or a pull exerted on a body or object 8. distance and direction of an object from its starting point 9. tendency to resist change in motion 10. measure of how far an object has moved 11. speed and direction of motion 12. rate of change of position at a specific point in time (2 words) 13. the rate of change in velocity is called motion and spe

Identify the theory that can be used to explain each phenomenon. answers diffraction: wave theory interference: wave theory reflection: both particle and wave theories refraction: both particle and wave theories