A Car of 900 Kg Mass Is Driven Around a Circular

question 4

Multiple Choice

A car of 900 kg mass is driven around a circular race track of 600 m radius at a constant velocity of 220 km/h. What is the centripetal acceleration of the car?

• A)1.15 m/s²
• B)9.81 m/s²
• C)4.98 m/s²
• D)6.22 m/s²

---

Definitions:

Null Hypothesis

A default hypothesis that there is no significant difference or effect, used as a starting point for statistical testing.

Test Statistic Value

A value derived from sample data during a hypothesis test, used to determine whether to reject the null hypothesis within the context of the test.

Significance Level

The threshold under which the p-value falls to reject the null hypothesis, typically set at 0.05 or 5%.

Critical Value

A threshold in a statistical test that defines the boundary between where a statistical hypothesis would be considered significantly different or not.