SAT, 07.10.2021 16:00 laurenppylant
positive electric charge q is distributed uniformly along a thin rod of length 2a. the rod lies along the x-axis between x=−a and x=+a (figure 1). calculate how much work you must do to bring a positive point charge q from infinity to the point x=+l on the x-axis, where l>a.
Answers: 1
SAT, 25.06.2019 15:10
Onstruct the grouped frequency table for the following data. 1, 1, 1, 1, 2, 2, 3, 4, 4, 4, 4, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8, 9, 9, 9
Answers: 2
SAT, 25.06.2019 22:00
Which statements about the two fossil images are correct? 1. cave bears are ancestors of plateosaurus. 2. plateosaurus were present on earth before ostracoderms. 3. ostracoderms were the first to die. 4. plateosaurus died after the ostracoderms. 5. cave bears are the oldest fossils.
Answers: 1
positive electric charge q is distributed uniformly along a thin rod of length 2a. the rod lies alon...
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