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  • Q:
    An object started from rest to slide down an inclined plane with an angle of 300 from the horizon. It used 3s to slide to the bottom. The inclined plane is 10 m long. What is the kinetic friction coefficient?
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  • Q:
    Part (a) In the formula for the work W=F\Delta xcos(\theta ), what does \theta represent? The angle of the force with respect to the horizontal. The angle at which the force is applied. The angle between the force a...
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  • Q:
    Question 16 Put the appropriate word or phrase in each blank. Do not use numbers. An object that absorbs all radiation that falls on it has an emissivity with a value of and is called a
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  • Q:
    Consider an interplanetary express bus traveling at 0.98 cc. According to Newtonian mechanics, the momentum is p=mvp=mv. According to relativity, it is p=γmv .How does the actual momentum of the bus compare with the...
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  • Q:
    A 21.0 cm long spring is hung vertically from a ceiling and stretches to 28.1 cm when an 8.00 kg mass is hung from its free end.
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