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Chapter 1: Q. 24 (page 29)
Convert the following to SI units:
a. b.
c. role="math" localid="1648656441116" d. role="math" localid="1648656467276"
a. b.
c. d.
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Problem 46 show a motion diagram. For each of these
problems, write a one or two sentence 鈥渟tory鈥� 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.
Problem 52 show a partial motion diagram. For each:
a. Complete the motion diagram by adding acceleration vectors.
b. Write a physics problem for which this is the correct motion
diagram. Be imaginative! Don鈥檛 forget to include enough
information to make the problem complete and to state clearly
what is to be found.
c. Draw a pictorial representation for your problem.
You drop a soccer ball from your third-story balcony. Use the particle model to draw a motion diagram showing the ball鈥檚 position and average velocity vectors from the time you release the ball until the instant it touches the ground.
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?
a. The figure given below shows the first three points of a motion diagram. Is the object鈥檚 average speed between points 1 and 2 greater than, less than, or equal to its average speed between points 0 and 1? Explain how you can tell.
b. Use Tactics Box 1.3 to find the average acceleration vector at point 1. Draw the completed motion diagram, showing the velocity vectors and acceleration vector
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