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HTWClass9F07

# HTWClass9F07 - Schedule Monday 9/10 HW 2 due Tuesday...

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Physics 100 – Fall 2007 Monday 9/10 HW 2 due Tuesday Wednesday 9/12 Pretest 3 due Pretest 4 posted Thursday Friday 9/13 Monday 9/17 HW 3 due HE 1 due HW 4 posted Tuesday Wednesday 9/19 Pretest 4 due Pretest 5 posted Thursday Friday 9/21 Monday 9/24 HW 4 due Tuesday Wednesday 9/26 Pretest 5 due Thursday Friday 9/28 HW 5 posted Schedule

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Physics 100 – Fall 2007 First Hour Exam: Monday 10/1 The exam will be taken exclusively from the following cases. Find these on the web at publisher’s site via an ‘External Link’ on Blackboard Chapter 1: 1, 2 , 3, 4, 5, 7, 10, 11, 12 Chapter 2: 2, 3, 4, 8, 9, 10 Chapter 3: 1, 3, 7, 9, 10, 11
Physics 100 – Fall 2007 HW and Test Problems v = v 0 + a t Velocity at t = starting velocity + acceleration × time (t) v = 0 + (3.71 m/s2) 3 s Ch. 1, Pr. 3: On Mars, the acceleration due to gravity is 3.71 m/ s 2 . What would the rock’s velocity be 3 seconds after you dropped it on Mars? v = (3 × 3.71) m/s2 × s v = 11.13 m/s Explanation: This is the equation to use for constant acceleration. The rock starts from rest so v 0 is zero. We then solve for velocity to get the answer. We choose down being positive, but if we choose up being positive, then a = -3.71 m/s2 and the answer is negative, i.e.

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HTWClass9F07 - Schedule Monday 9/10 HW 2 due Tuesday...

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