What is the magnitude of the magnetic force in figure (a)? Express your answer w

Question

What is the magnitude of the magnetic force in figure (a)? Express your answer with the appropriate units Constants An electron moves with a speed of 4.0×107 m/s in the directions shown in (Figure 1) below. A 0.70 T magnetic field points in the positive x-direction. FB- 1 Value Units Submit Previous Answers Request Answer XIncorrect; Try Again; 4 attempts remaining Part B What is the direction of the magnetic force in the figure (a)? direction r- z direction yz direction +z direction ous Answers Figure 1 of 1> Correct ? Part C What is the magnitude of the magnetic force in figure (b)? Express your answer with the appropriate units : 45° 0 FB- 1 Value Units

Explanation / Answer

a)

Magnetic force is given by

FB=qvBsin90 =(1.6*10-19)(4*107)(0.7)sin90

FB =4.48*10-12 N

b)

Direcrtion is along -z (-z direction)

c)

Magnetic force is given by

FB=qvBsin90 =(1.6*10-19)(4*107)(0.7)sin90

FB =4.48*10-12 N

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