Asource injects an electron of speed v = 2.9 × 107 m/s into a uniform magnetic field of magnitude b = 1.7 × 10-3 t. the velocity of the electron makes an angle θ = 8.4° with the direction of the magnetic field. find the distance d from the point of injection at which the electron next crosses the field line that passes through the injection point.
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Physics, 22.06.2019 06:30
Which of these statements is true? a. quarks pair with leptons to form protons and neutrons. b. quarks pair with bosons to form photons. c. quarks pair with photons to form protons and neutrons. d. quarks pair with other quarks to form protons and neutrons. e. quarks pair with electrons to form protons.
Answers: 1
Physics, 22.06.2019 18:30
Abaseball is thrown from the outfield toward the catcher. when the ball reaches its highest point, which statement is true? (a)its velocity is not zero, but its acceleration is zero. (b) its velocity and its acceleration are both zero. (c) its velocity is perpendicular to its acceleration. (d) its acceleration depends on the angle at which the ball was thrown. (e) none of the above statements are true.
Answers: 1
Physics, 22.06.2019 19:30
A1.5m wire carries a 2 a current when a potential difference of 52 v is applied. what is the resistance of the wire?
Answers: 1
Asource injects an electron of speed v = 2.9 × 107 m/s into a uniform magnetic field of magnitude b...
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