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# physics - Physics Help CollegeKidPoet Abstract Give an...

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Physics Help CollegeKidPoet July 30, 2016 Abstract Give an understanding to each question by writing each answer in several sentences or show all calculations. 1

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1 Suppose the thickness of an oil film on water is just the right thickness for canceling red light. What color will your eye see? Explain using 3 - 4 complete sentences. 2 A hard-rubber or plastic comb rubbed against wool can often be shown to have a static charge. Why does a metal comb not readily show a static charge when rubbed against wool? Use 3 - 4 complete sentences in your answer. 3 Two electrically-charges spheres are suspended from insulated threads a certain distance from each other. There is a certain amount of elec- trostatic force between them. Describe specif- ically (not just increase or decrease) what hap- pens to this force in each of the scenarios be- low: 3.1 a. The charge on one sphere is reduced by half
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• Spring '09
• yves
• Physics, Electric charge, complete sentences, static charge, 5.0 amps

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