A Student with a Mass of 40 Kg Can Throw

question 43

Multiple Choice

A student with a mass of 40 kg can throw a 15-kg ball with a relative speed of 5.0 m/s.The student is standing at rest on a cart with a mass of 12 kg that can move over the ground without friction.If the student throws the ball horizontally,what is the speed of the ball relative to the ground?

• A)1.4 m/s
• B)3.1 m/s
• C)3.9 m/s
• D)5.0 m/s
• E)5.9 m/s

Learn about the mechanisms of maintaining homeostasis in the human body.

Understand the role and structure of the skin and its functions in protection and regulation.

Distinguish between the body’s organ systems and their major functions.

Recognize the various types of body membranes and their functions.

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Definitions:

Data Collection

is the process of gathering and measuring information on variables of interest, in a systematic fashion that enables one to answer stated research questions, test hypotheses, and evaluate outcomes.

Sequence Recording

involves documenting the order in which events or steps occur, often used in analyzing processes or behaviors.

Time Sample

A data collection method that involves observations at specific intervals over a designated period.

Interval Recording

A method of observational data collection that involves noting whether a specific behavior occurs during predefined intervals of time.