Physics Homework Answers & Questions

How can I solve this physcis problem?
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Can anyone answer the questions? I‘m struggling in Physics!
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immy was standing at the 5m line and ran south to the 20m line in 8s. What was his average velocity?
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What do you think would happen if you threw a block of polystyrene (Styrofoam) into the water?
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If someone can please help me with the Physics Question that would be great, thanks!
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I need help checking the answer
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please help me with this question
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