A student walks at a rate of 1.5 meters per second for 4 seconds and then stops for 4 seconds. Then the student continues walking at the original rate.
Which graph best represents the student's walk?
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Mrs. smith ordered a root beer float (vanilla ice cream + root beer). mrs. smith noticed that the three states of matter (solid, liquid, and gas) all existed simultaneously in her root beer float. a. identify each phase of matter in the root beer float. b. describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? ) c. identify one phase change you would see in a root beer float and described what causes this change.

Modern weaponry has increased the number of deaths in wars and violent conflicts.

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?