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Velocity Problems

Velocity Problems. Instructor: Ms. Chase. Are You Prepared?. Reference tables http://www.ncpublicschools.org/docs/accountability/testing/eoc/Physics/physicsreferencetable.pdf Pencil Paper Online calculator (if needed) http://www.ecalc.com/. Review: Speed. How fast an object moves

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Velocity Problems

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  1. Velocity Problems Instructor: Ms. Chase

  2. Are You Prepared? • Reference tables http://www.ncpublicschools.org/docs/accountability/testing/eoc/Physics/physicsreferencetable.pdf • Pencil • Paper • Online calculator (if needed) http://www.ecalc.com/

  3. Review: Speed • How fast an object moves • Rate of change of position of an object • Constant speed stays the same • Average velocity is found for changing speeds

  4. Review: Velocity • Speed and direction 85 km/h west ; 85 km/h east • Example has same speed but different direction.

  5. Reference Tables v = d = vf + vi t 2 v = velocity unit – m/s or km/h d = distance (position) unit – m or km t = time unit – s or h d v t

  6. Review: 5 Steps to Problem Solving 1. What’s the question? 2. What’s the formula? 3. What are the facts or givens? 4. Estimate answer and solve. 5. Does the answer make sense? Do all measurements have the correct unit?

  7. Problem Solver Get your “Velocity Problems” worksheet that you should have printed out prior to this lesson.

  8. Your Turn • Create a problem on your own • Write it down (make sure you have enough information so it can be solved) • Work it out on a separate piece of paper and don’t let anyone know the answer!

  9. Share • Give your problem to the person next to you • Do not tell them the answer • Work that problem out • Show your work to the person next to you • Is it correct? If not, why not?

  10. Homework • Print off the “Additional Velocity Problems” worksheet for homework and bring them with you for the next lesson. Make sure you work out the problems as we did together. Show units! • Print off the Distance vs. Time Graph worksheet and bring with you next lesson.

  11. Physics is fun!

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