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Chapter 1: Q. 31 (page 30)
Estimate the height of a telephone pole. Give your answer in both feet and meters. Briefly describe how you arrived at this estimate
The average height of the telephone pole is12 meters or 36 feets
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A softball player slides into second base. Use the particle model to draw a motion diagram showing his position and his average velocity vectors from the time he begins to slide until he reaches the base
Motor neurons in mammals transmit signals from the brain to skeletal muscles at approximately 25 m/s. Estimate how long in ms it takes a signal to get from your brain to your hand.
For Problem 39, draw a complete pictorial representation. Do not solve these problems or do any mathematics.
Santa loses his footing and slides down a frictionless, snowy roof that is tilted at an angle of 30°. If Santa slides 10 m before reaching the edge, what is his speed as he leaves the roof?
David is driving a steady 30 m/s when he passes Tina, who is sitting in her car at rest. Tina begins to accelerate at a steady at the instant when David passes. How far does Tina drive before passing David?
Problem 45 show a motion diagram. For each of these problems, write a one or two sentence “story” about a real object that has this motion diagram. Your stories should talk about people or objects by name and say what they are doing.
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