CP1 Principles of Physics Assignments
- Instructors
- Term
- 2013-2014 School Year
- Department
- Science
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Past Assignments
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Complete the following questions, using your background reading and your notes. Answer in complete sentences. Due Wednesday, March 5th.
1) Explain two ways a heavy truck and a person on a skateboard can have the same momentum.
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2) In stopping an object, how does the time of impact effect the magnitude of the force used to stop the object?
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3) What is the relationship between an impulse on an object and the change in momentum of that object?
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4) For a constant force, if the time the force is applied to an object doubles, the impulse will __________.
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5) From question #4, by how much is the object’s momentum changed?
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6) In a car crash, what is the advantage of an air bag in terms of impulse/change in momentum?
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7) Why is the impulse greater on a falling object that bounces instead of an equally massive object that doesn’t bounce?
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8) Explain why a tossed egg can be caught with a sagging sheet but not a piece of plywood?
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9) A bug and the windshield of a moving car collide. Indicate which of the following statements are TRUE.
a. The impact force on the bug and the car are the same magnitude.
b. The impulse on the bug and the car are the same magnitude.
c. The change in momentum of the bug and the car are the same magnitude. d. The change in velocity of the bug and the car are the same.
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- 4 definitions
- 1 diagram (like the three diagrams in your projectile motion packet)
- 2 word problems
- 2 other questions from the front page of your projectile motion packet
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- Speed and Velocity WS1*
- Average Speed and Velocity WS2*
- Speed and Velocity Practice Problems.
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In a sentence define
- Frame of reference
- Origin
- vector (and give examples)
- scalar (and give examples)
- displacement
Calculate the distance and displacement from both diagrams and word problems!
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STUDY!
Metric-to-Metric Conversions + Syllabus Quiz TOMORROW!
- Relate base units with the quantities they measure (i.e. the meter is the base unit of length, and is symbolized by an "m")
- Identify numerical prefixes
- Relate numerical prefixes to quantities such as hundreds, thousands, etc.
- Perform metric to metric conversions.