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A proton is passing through a uniform, 0.500-T magnetic field and is directed along the x axis. At t=0 the proton has the velocity components v(x)= 1.5x10^5 m/s and v(y)= 2.00x10^5 m/s. Only the magnetic fields act on the proton.

a. find the force on the proton.

b. find its acceleration at t=0.

c. find the radius of the resulting helical path.

d. find the angular speed of the proton.

e. find the pitch of the helix.

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