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Chapter 5: Q. 50 (page 130)
Your friend went for a loop-the-loop ride at the amusement
park. Her car is upside down at the top of the loop.
abcd
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Problems 44 describe a situation. For each, draw a motion diagram, a force-identification diagram, and a free-body diagram.
A Styrofoam ball has just been shot straight up. Air resistance is not negligible.
Two rubber bands cause an object to accelerate with acceleration
a. How many rubber bands are needed to cause an object with
half the mass to accelerate three times as quickly?
A heavy box is in the back of a truck. The truck is accelerating to the right. Draw a motion diagram, a force-identification diagram, and a free-body diagram for the box .
Problems 42 through 52 describe a situation. For each, draw a motion diagram, a force-identification diagram, and a free-body diagram.
You are bungee jumping from a high bridge. You are moving
downward while the bungee cord is stretching.
Exercises 22 show a free-body diagram. Write a short description of a real object for which this would be the correct free-body diagram. Use Examples 5.4, 5.5, and 5.6 as examples of what a description should be like.
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