An electron is traveling in a straight line heading East through a region with a of 3 N/C directed upwards. In the region there is also a with a strength of 2 T.
(a) What must be the direction of the ? Explain your reasoning. (3 Marks)
(b) What is the speed of the electron? (2 Marks)
(c) If a proton were sent in to this region (with the same speed) what would be different about its motion compared to the electrons motion? Explain. (2 Marks)
(d) The electric field is suddenly turned off. With what radius do the proton and electron move in circles inside the ? (4 Marks)
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