An electron in a TV CRT moves with a speed of 6.10 β 107 m/s, in a direction perpendicular to the Earth's field, which has a strength of 5.00 β 10β5 T. (a) What strength electric field (in kV/m) must be applied perpendicular to the Earth's field to make the electron move in a straight line?
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Physics, 22.06.2019 07:30
Which of the following is an example of motion in two dimensions?
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Physics, 22.06.2019 10:30
Arunner is training for an upcoming marathon by running around a 100-m-diameter circular track at constant speed. let a coordinate system have its origin at the center of the circle with the x-axis pointing east and the y-axis north. the runner starts at (x, y) = (50 m, 0 m) and runs 2.5 times around the track in a clockwise direction.
Answers: 1
Physics, 22.06.2019 17:50
Which of the following best describes internal energy? a. the difference between the kinetic and potential energies of the particles in a system b. the sum of the kinetic and potential energies of the particles in a system c. the sum of the kinetic and thermal energies of the particles in a system d. the difference between the kinetic and thermal energies of the particles in a system
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Physics, 23.06.2019 00:30
Madison lives near the ocean. sheβs formed a hypothesis that increased concentrations of salt in the air speeds the corrosion of certain metals. if madison plans to test this hypothesis, she will have to deal with the following variables in her experiment: dependent variable: independent variable: one possible confounding variable:
Answers: 1
An electron in a TV CRT moves with a speed of 6.10 β 107 m/s, in a direction perpendicular to the Ea...
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