A Ping-Pong Ball Covered with a Conducting Graphite Coating Has

question 31

Multiple Choice

A ping-pong ball covered with a conducting graphite coating has a mass of 2.5 * 10 ^{- 3} kg and a charge of 4.0 µC. What electric field directed upward will exactly balance the weight of the ball? (g = 9.8 m/s²)

• A) 6.1 * 10³ N/C
• B) 2.0 *10 ^{- 7} N/C
• C) 5.1 * 10⁶ N/C
• D) 1.2 *10⁴ N/C

---

Definitions:

Cash Collections

The total amount of money received from customers over a period, including payments for goods or services sold.

Schedule Of Cash Collections

A detailed plan that shows when a company expects to receive cash from accounts receivable or other revenue sources.

Direct Labor Budget

A direct labor budget is a financial plan that estimates the total cost of direct labor required to meet the production needs of a business.

Direct Labor-hours

The total hours worked directly on the production of goods.