A 60-Kg Object Moving 5

question 83

Multiple Choice

A 6.0-kg object moving 5.0 m/s collides with and sticks to a 2.0-kg object. After the collision the composite object is moving 2.0 m/s in a direction opposite to the initial direction of motion of the 6.0-kg object. Determine the speed of the 2.0-kg object before the collision.

• A) 15 m/s
• B) 7.0 m/s
• C) 8.0 m/s
• D) 23 m/s
• E) 11 m/s

---

Definitions:

Variance

A measure of the dispersion or spread of a set of data points around their mean; it quantifies the degree to which these points differ from the mean.

Original Data

The initial dataset collected or received before any processing, manipulation, or analysis has been done.

Independent Events

Events whose occurrence or outcome is not influenced by the occurrence or outcome of another event.

P(A and B)

The probability that both events A and B occur.