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physics

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A moving proton with a speed of 0.3 m/s experiences a force of 1.5*10^-20N, when it enters at a right angle to the direction of the magnetic field. What is the magnitude of the magnetic field?
Choose one answer.
a. 0.3 Tesla
b. 0.5 Tesla
c. 0.9 Tesla
d. 1.3 Tesla

  • physics -

    Since B and the velocity are peperdicualar,

    Force = q V B

    That is a formula you should have learned before posting this question

    Use e for the proton charge and solve for B

  • physics -

    d. 1.3 Tesla

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