Question text1. a) An electron has instantaneous velocity v=6i+3j+3kkm/s and is in a magnetic field B=i+3j+2k Gauss. Calculate the three components of the force per charge acting on the electron in mN/C (millinewton per coulomb) to two significant figures (the answers can be positive or negative !).Fx= Answer 1 Question 1[input]mN/C [2]Fy= Answer 2 Question 1[input]mN/C [2] Fz= Answer 3 Question 1[input]mN/C [2] b) A proton is set in circular motion with radius r=6.2m in a magnetic field perpendicular to its path, with magnitude B1=12T. The field is amplified to B2=47T while the speed of the proton remains unchanged. What will be the radius of the new circular path? Give answer to two significant figures. Newradius= Answer 4 Question 1[input] m [4]多项填空题

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Question text1. a) An electron has instantaneous velocity [math: v=6i+3j+3kkm/s] and is in a magnetic field [math: B=i+3j+2k] Gauss. Calculate the three components of the force per charge acting on the electron in [math: mN/C] (millinewton per coulomb) to two significant figures (the answers can be positive or negative !).[math: Fx=] Answer 1 Question 1[input][math: mN/C] [2][math: Fy=] Answer 2 Question 1[input][math: mN/C] [2] [math: Fz=] Answer 3 Question 1[input][math: mN/C] [2] b) A proton is set in circular motion with radius [math: r=6.2m] in a magnetic field perpendicular to its path, with magnitude [math: B1=12T]. The field is amplified to [math: B2=47T] while the speed of the proton remains unchanged. What will be the radius of the new circular path? Give answer to two significant figures. [math: Newradius=] Answer 4 Question 1[input] m [4]

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