Fall 2012 Phxsics 115 EXAM I Version B
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One point each for the following problems
1 Listthesepsinthescienticmethod Sketch vvstlndavstforthe
1 . wk - v followingcurve. (21m)
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Motivational Device Two
One point per quest :-.
1. State Newton's 3 Laws
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2. Law of Conservation of Energy
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Please read each question carefully. Show aD work and the equatioas used. Clearly identify the answer and the
units, Use 3 significant digits in a
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1. A stone is tied to a 0.50 m string and whirled at a constant speed of 4.0 mls in a vertical circ~
centripetal (radial) acceleration in m/s2 at the top
Week 12 Motivational Device 3
One point per question
1 What is the Paraliel Axis Theo'rem?
2. What is tIie-I:;aw-ofConserVatioD.ofi\ngUlar MomentW:ri?-=.-=.:D.:_:L:._=_O=-,
3 What is an closed system?
Last Chance 4
Solve the problem completely.
, 4 pts each
1. A block whose mass is 30.0 kg is fastened to a spring whose spring constant k is 800 N/m. The block is
from its equilibrium position. At r