PHY121_Review_M1

# PHY121_Review_M1 - PHY121 Physics for the Life Sciences I...

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Review Midterm 1 1 PHY121 – Physics for the Life Sciences I Review Midterm 1 1. Instructions and Formula Sheet 2. Problems 2/23/2012

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Midterm 1 Instructions Midterm 1 Date: Feb 29 . Time: 8:30pm - 10:00pm . Room assignment: Based on your REGISTERED LAST NAME : Bring only your (charged!) calculator , ruler , and pencils/pens , and Stony Brook ID . BOOKS, OTHER PAPERS, PDAs, and TELEPHONES ARE NOT ALLOWED! Review Midterm 1 2 Last Names starting with: Room: A through J Old Engineering OE 143 K through O Light Engineering LT.ENG 102 P through Z Old Engineering OE 145 2/23/2012
Review Midterm 1 3 Formula Sheet – Vectors etc. 2/23/2012

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Review Midterm 1 4 Formula Sheet – Kinematics 2/23/2012
Review Midterm 1 5 Formula Sheet – Forces and Torques To best prepare for the Midterm: – check all the HW problems and (re)do the ones you feel uncertain about … Seek help in the Help Room! – check all the examples in the lectures and in the book – do the extra-credit HW and/or the end-of-chapter problems … 2/23/2012

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Review Midterm 1 6 Exercises: Problem Solving Strategy Ball is dropped from rest from the Physics Building ( 44 m ). When does it hit the ground? Note: the gravitational acceleration is ~constant (near Earth’s surface): g = 9.80 m/s 2 , directed downwards Problem-Solving Strategy: 1. make a sketch with axes, axis labels(!), and other details: y -axis vertically up; draw height and path; show the velocity variable … 2. note, on the side, all relevant variables and all data given in the problem: height h = y ( t= 0) = y 0 = 44 m , “from rest” v 0 y =v y ( t= 0) =0 m/s ; g= 9.80 m/s 2 . 3. consider the problem: what is requested; what is going on; what is the physics; can the problem be split in successive parts? Ball is going to accelerate downwards (with constant a y = –g !) , until it hits the ground constant a problem!
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## This note was uploaded on 02/20/2012 for the course PHY 121 taught by Professor Stephens during the Spring '08 term at SUNY Stony Brook.

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PHY121_Review_M1 - PHY121 Physics for the Life Sciences I...

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