A Girl Wishes to Swim Across a River to a Point

question 3

Multiple Choice

A girl wishes to swim across a river to a point directly opposite as shown. She can swim at 2 m/s in still water and the river is flowing at 1 m/s. At what angle $\theta$ with respect to the line joining the starting and finishing points should she swim?

• A) 30\(\degree\)
• B) 45\(\degree\)
• C) 60\(\degree\)
• D) 63\(\degree\)
• E) 90\(\degree\)

---

Definitions:

Accounts Receivable

Money owed to a business by its customers for products or services that have been delivered but not yet paid for.

Allowance for Doubtful Accounts Method

The allowance for doubtful accounts method involves estimating and deducting the amount of receivables that may not be collected from the accounts receivable balance.

Accounts Receivable

Pending payments to a company from its customers for merchandise or services that have already been given.

Allowance Method

An accounting technique used to estimate and account for bad debts expense, building an allowance for doubtful accounts.