By Harish Appana Satya on March 17, 2013
An object can appear to have different velocities depending on the velocity of an observer. In this problem set, 2-D scenarios will be analyzed from different frames of reference in order to determine the velocity of one object relative to another.

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By Harish Appana Satya on July 25, 2012
The trajectory of a ball dropped from a person on a moving cart will be modelled using both x-position vs. time graphs and y-position vs. time graphs. The scenario will be analyzed from the point of view of an observer on the cart and on the ground.

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By Harish Appana Satya on July 18, 2012
What do the velocity-time and acceleration-time graphs look like for a cannon ball launched from a moving cart? This scenario will be analyzed by breaking down both velocity and acceleration into vertical and horizontal components.

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By Harish Appana Satya on July 17, 2012
Velocity will be separated into vertical and horizontal components in order to analyze the factors that influence the trajectory of a cannonball. The questions are based off the following PhET simulation, which can be used to double check answers: http://phet.colorado.edu/en/simulation/projectile-motion

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