A Ball of Mass M Is Attached to a Thin

question 46

Multiple Choice

A ball of mass m is attached to a thin string and whirled in a vertical circle or radius r. The tension in the string at point e where the ball is moving with speed v is

• A) mg
• B) mg - mv²/r
• C) mg + mv²/r
• D) mv²/r
• E) none of the above.

---

Definitions:

Bonferroni Adjustment

A statistical correction method used to reduce the chances of obtaining false-positive results (Type I error) when performing multiple comparisons.

Type I Error Rate

The probability of rejecting a true null hypothesis, essentially a false positive in statistical hypothesis testing.

Population Means

The average value of a particular characteristic within a defined population.

Sub Sandwich Customers

Individuals or clients who purchase sub sandwiches, a type of sandwich made on a long roll or baguette filled with various ingredients.