Physics, 23.10.2020 14:00 robtodd4614
How much force is used to lift a 42 kg object at a constant velocity? Why?
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Physics, 22.06.2019 11:00
What is the measurement of how fast an object moves relative to a reference point?
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Physics, 22.06.2019 17:30
How does the entropy of steam compare to the entropy of ice?
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Physics, 22.06.2019 20:30
Light from two different sources are incident upon the same side of a polarizing filter. light from one source is polarized with total intensity ip, while light from the other source is unpolarized with total intensity iu. as you rotate the polarizing filter through 360 degrees, the intensity of the transmitted light on the other side varies by a factor of 9. what is the relative intensity of the initial polarized source to the unpolarized source, or ip/iu?
Answers: 2
Physics, 23.06.2019 02:30
Intro: a solid ball of radius rb has a uniform charge density Ο. part a: what is the magnitude of the electric field e(r) at a distance r> rb from the center of the ball? express your answer in terms of Ο, rb, r, and Ο΅0. part b: what is the magnitude of the electric field e(r) at a distance r express your answer in terms of Ο, rb, r, and Ο΅0. part c: let e(r) represent the electric field due to the charged ball throughout all of space. which of the following statements about the electric field are true? check all that apply. e(0) = 0 e(rb)=0 limrββe(r)=0 the maximum electric field occurs when r=0 the maximum electric field occurs when r=rb the maximum electric field occurs as rββ.
Answers: 1
How much force is used to lift a 42 kg object at a constant velocity? Why?...
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