大学物理双语教学Review of the term.pdf

Review of this term Review of this term Review of this term 1. Intro, Measurement, Estimating 1. Intro, Measurement, Estimating 1. Units, Standards. 2. Order of magnitude, rapid estimation, Scientific notation. 3. Converting units Deng Gang @ HBUT Deng Gang @ HBUT Chap. 2-3. Kinematics Chap. 2-3. Kinematics 1. Reference frames. 2. Displacement, velocity, acceleration. 3. Motion in 1 and 2 dimensions. 4. Vector (i, j, k form). 5. Projectile motion 6. Circular motion 7. Relative motion Deng Gang @ HBUT Deng Gang @ HBUT Chap. 2-3. Kinematics Chap. 2-3. Kinematics Instantaneous velocity (瞬时速度) : r r r r r r dr d [ ( ) + ( ) ] + v x t i y t j v i v j dt dt x y Instantaneous Acceleration: 2 r 2 r ⎧ dv d x x r dv d r a a 2 ⎪⎪x dt dt2 dt dt ⎨ dv 2 r r r ⎪ y d y a a i +a j ay 2 x y ⎪⎩ dt dt Deng Gang @ HBUT