A proton moves with a speed of 4.5 times 10^7 m/s in the directions shown in the

Question

A proton moves with a speed of 4.5 times 10^7 m/s in the directions shown in the figure. A 0.30 T magnetic field points in the positive x-direction. (Figure 1) You may want to review (pages 777 - 783). For help with math skills, you may want to review: Vector Components What is the magnitude of the magnetic force in figure (a)? Express your answer using three significant figures. What is the direction of the magnetic force in figure (a)? If the particle is an electron, what is the direction of the magnetic force in figure (a)? What is the magnitude of the magnetic force in figure (b)? Express your answer using three significant figures. What is the direction of the magnetic force in figure (b)? If the particle is an electron, what is the direction of the magnetic force in figure (b)?

Explanation / Answer

A) F=Bqv= 0.3*1.6*10^-19 * 4.5*10^7 = 2.16*10^-12 N

B)

along positive z axis

C)

along negative z axis

D) 2.16 *10^-12

E)making 45 degress to positive z axis in YZ plane

F)opposite to case E

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