The View in the Figure Is from Above a Plane

question 19

Multiple Choice

The view in the figure is from above a plane mirror suspended by a thread connected to the center of the mirror at point C.A scale is located 0.65 m (the distance from point C to point A) to the right of the center of the mirror.Initially,the plane of the mirror is parallel to the side of the scale;and the angle of incidence of a light ray which is directed at the center of the mirror is 30°.A small torque applied to the thread causes the mirror to turn 12° away from its initial position.The reflected ray then intersects the scale at point B.What is the distance from point A to point B on the scale?

• A)0.37 m
• B)0.58 m
• C)0.76 m
• D)0.89 m

---

Definitions:

Note Receivable

A written promise for amounts to be received, typically including interest, by one party from another.

Liability

An obligation or debt that arises during the course of business operations, which the company is responsible to repay.

Equipment Purchase

The acquisition of physical assets, such as machinery or tools, that are used in the operations or production processes of a business.

Interest Expense

The cost incurred by an entity for borrowed funds, often expressed as an annual percentage of the principal.