The Position Y of a Particle Moving Along the Y

question 81

Multiple Choice

The position y of a particle moving along the y axis depends on the time t according to the equation y = at - bt².The dimensions of the quantities a and b are respectively:

• A)L²/T, L³/T²
• B)L/T², L²/T
• C)L/T, L/T²
• D)L³/T, T²/L
• E)none of these

---

Definitions:

Null Hypothesis

A statement in hypothesis testing that assumes no significant difference or effect exists between certain measured phenomena or populations.

Directional

Pertaining to a hypothesis or test that specifies the expected direction of the relationship between variables.

Variability

The extent to which data points in a dataset differ from each other.

Sampling Distribution

The probability distribution of a given statistic based on a random sample.