Wednesday, September 24, 2014

When is a particle speeding up

A particle is speeding up when the velocity and acceleration are  in the same direction (have the same sign).

For this, drawing a sketch of the graph of velocity against time helps. To do this, find  the velocity when t=0, and then find the times when the velocity is zero. Also find the time when acceleration is zero.

    When is a particle speeding up:

No comments:

Post a Comment