A Proton Moving at a Speed of 3

question 16

Multiple Choice

A proton moving at a speed of 3.8 *10⁶ m/s cuts across the lines of a magnetic field at an angle of 40°. The strength of the field is 0.25 *10^-4 T. What is the magnitude of the force acting on the proton? (q_p = 1.6 *10^-19 C)

• A) 1.4 *10^-17 N
• B) 2.3 * 10^-17 N
• C) 9.8 *10^-18 N
• D) 5.1 *10^-18 N

---

Definitions:

Accounts Payable

An accounting entry that represents a company's obligation to pay off a short-term debt to its creditors or suppliers.

Prepaid Expenses

Expenses paid in advance for goods or services to be received in the future, recorded as assets until they are consumed or the service is provided.

Supplies

One type of asset acquired by a firm; it has a much shorter life than equipment.

Issuance

The process of distributing or releasing something official, such as a document, stock, or currency.