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Warm up 02-28-14. Question: What does a flat line on a speed vs. time graph mean? Positive slope? Negative slope? Answer: Flat = constant speed (0 acc ) Positive slope = speeding up Negative slope = slowing down. Goal: I will use the ramps to learn about changing speed .
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Warm up 02-28-14 • Question: What does a flat line on a speed vs. time graph mean? Positive slope? Negative slope? • Answer: • Flat = constant speed (0 acc) • Positive slope = speeding up • Negative slope = slowing down. • Goal: I will use the ramps to learn about changing speed.
Element of the day • 67 – Holmium – Ho • Holmium is used in MRI machines to strengthen and concentrate magnetic fields. • Holmium is also used in laser surgery.
Warm up • Lab 4C • Tonight’s HW • Pg W-AA • Pg 48-52 • Ch 4 test Tuesday Agenda / HW