Cracking the SAT Physics Subject Test

(Marvins-Underground-K-12) #1

KINEMATICS WITH GRAPHS


So far, we’ve dealt with kinematics problems algebraically, but for this test, you
should also be able to handle kinematics questions in which information is given
graphically. The two most popular graphs in kinematics are position-versus-time
graphs and velocity-versus-time graphs.


Position vs. Time


For example, think of an object that’s moving along an axis in such a way that its
position x as a function of time t is given by the following position-versus-time
graph:

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