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# lecture4_post - Phy 2053 Announcements Homework 1 due Jan...

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Phy 2053 Announcements s Homework 1 due Jan 19 night/20 morning is posted in webassign. It will count towards course grade. s Past exams and solutions available at Target Copy for \$20 s Should have received email listing your clicker response. Clicker questions will count towards course grade starting Jan 26 (changed from Jan 19).

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Position (m) velocity (m/s) acceleration (m/s 2 )
Kinematic Equations s Used in situations with uniform acceleration = + o v v at 2 o at 2 1 t v x + = = + 2 2 2 o v v a x (1) (2) (3) t 2 v v t v x f o average + = = Important: use the correct sign for x, v and a.

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Some examples of Use t 2 v v t v x f o average + = = Acceleration not in equation = + 2 2 2 o v v a x Time not in equation : = + o v v at Displacement not in equation : 2 o at 2 1 t v x + = Final velocity not in equation :
Free Fall s If only force on object moving near surface of the earth is gravity it is in free fall s Free fall is constant acceleration (same for all objects) s The acceleration is called the acceleration due to gravity, symbolized by

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## This note was uploaded on 09/07/2011 for the course PHY 2053 taught by Professor Buchler during the Spring '06 term at University of Florida.

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lecture4_post - Phy 2053 Announcements Homework 1 due Jan...

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