Physics, 24.09.2019 13:20 lupitaca888
Aheavy boy and a lightweight girl are balanced on a massless seesaw. the boy moves backward, increasing his distance from the pivot point. what happens to the seesaw? a. it is impossible to predict without knowing additional information. b. the side the boy is sitting on will tilt downward. c. the side the girl is sitting on will tilt downward. d. nothing; the seesaw will remain balanced.
Answers: 1
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Which is not a source of noise pollution? a)airplanes b)acid rain c)machines d)cars
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Physics, 21.06.2019 23:20
Imagine you had to physically add electrons, one at a time, to a previously neutral conductor. you add one electron very easily, but the second electron requires more work. in your initial post to the discussion, explain why this is. also, what happens to the work needed to add the third, fourth, fifth, and subsequent electrons
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Physics, 22.06.2019 10:40
Two point charges are on the y axis. a 3.90-µc charge is located at y = 1.25 cm, and a -2.4-µc charge is located at y = −1.80 cm. (a) find the total electric potential at the origin. v (b) find the total electric potential at the point whose coordinates are (1.50 cm, 0). v
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Physics, 22.06.2019 15:40
If two parallel light rays hit a mirror, they will not be parallel to each other after they reflect.
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Aheavy boy and a lightweight girl are balanced on a massless seesaw. the boy moves backward, increas...
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