An Electron Moving Perpendicular to a Uniform Magnetic Field of 0.22

question 58

Multiple Choice

An electron moving perpendicular to a uniform magnetic field of 0.22 T moves in a circle with a speed of 1.5 × 10⁷ m/s.What is the radius of the circle? (e = 1.60 × 10^-19 C,m_electron = 9.11 × 10^-31kg)

• A)1.5 mm
• B)0.22 mm
• C)2.2 mm
• D)0.39 mm
• E)3.9 mm

Recognize the relationship between journal entries, adjusting entries, and their impact on income statement and balance sheet accounts.

Understand how to prepare adjusting entries for prepaid expenses.

Comprehend the adjustment process for unearned revenues.

Understand how to calculate and record depreciation expense using the straight-line method.

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