Fsk notes

Chapter 3

Kinematics in Two Dimensions




Copyright © 2015 John Wiley & Sons, Inc. All rights reserved.

,3.1 Displacement, Velocity, and Acceleration


ro initial position


r final position

  
r r  ro displacement




Copyright © 2015 John Wiley & Sons, Inc. All rights reserved.

,3.1 Displacement, Velocity, and Acceleration




Average velocity is the
displacement divided by
the elapsed time.

  
 r  ro r
v 
t  to t



Copyright © 2015 John Wiley & Sons, Inc. All rights reserved.

, 3.1 Displacement, Velocity, and Acceleration

The instantaneous velocity indicates how fast
the car moves and the direction of motion at each
instant of time.




 r
v  lim
t  0 t




Copyright © 2015 John Wiley & Sons, Inc. All rights reserved.