A Child Sits on a Merry-Go-Round, 1

question 151

Short Answer

A child sits on a merry-go-round, 1.5 meters from the center. The merry-go-round is turning at a constant rate, and the child is observed to have a radial acceleration of 2.3 m/s². How long does it take for the merry-go-round to make one revolution?

---

Definitions:

Population Mean

The average of all the items in a population, representing the central tendency.

Critical Value

A point on a statistical distribution that represents a threshold at which the null hypothesis is rejected if exceeded.

Alpha

Alpha, also known as the level of significance, indicates the threshold at which we reject the null hypothesis, typically set at 0.05 or 5%.

Two-tailed

A test of significance that checks for the possibility of either a positive or negative effect and doubles the significance level.