A 40-Kg Object Is Moving with Speed 2

question 20

Multiple Choice

A 4.0-kg object is moving with speed 2.0 m/s. A 1.0-kg object is moving with speed 4.0 m/s. Both objects encounter the same constant braking force, and are brought to rest. Which object travels the greater distance before stopping?

• A) the 4.0-kg object
• B) the 1.0-kg object
• C) Both objects travel the same distance.
• D) It is impossible to know without knowing how long each force acts.

---

Definitions:

Dependent Variable

In an experiment or study, it's the variable being tested and measured, which is expected to be influenced by another variable (the independent variable).

Dependent Variable

A variable in a scientific experiment that changes in response to the manipulation of the independent variable.

Independent Variable

In research, the variable that is manipulated to observe its effect on a dependent variable.