An Electron Moves in a Region Where the Magnetic Field

question 3

Multiple Choice

An electron moves in a region where the magnetic field is uniform, has a magnitude of 60 μT, and points in the positive x direction. At t = 0 the electron has a velocity that has an x component of 30 km/s, a y component of 40 km/s, and a z component of zero. What is the pitch of the resulting helical path?

• A) 13 mm
• B) 32 mm
• C) 24 mm
• D) 18 mm
• E) 3.8 mm

---

Definitions:

SEC

The U.S. Securities and Exchange Commission, an agency that oversees and regulates the securities industry and protects investors by ensuring that the securities markets operate fairly and transparently.

Leveraged Buyout (LBO)

A financial transaction where a company is purchased with a combination of equity and significant amounts of borrowed money, using the company's assets as collateral.

Junk Bonds

Bonds with high risk but also a high rate of return.

Tender Offer

A public offer by a suitor to buy voting stock.