During a Snowball Fight,two Balls with Masses of 0

question 16

Multiple Choice

During a snowball fight,two balls with masses of 0.4 and 0.6 kg,respectively,are thrown in such a manner that they meet head-on and combine to form a single mass.The magnitude of initial velocity for each is 20 m/s.What is the speed of the 1.0-kg mass immediately after collision?

• A) zero
• B) 3 m/s
• C) 4 m/s
• D) 5 m/s

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Definitions:

Experimental Group

In an experiment, the group exposed to the treatment, that is, to one version of the independent variable.

Control Group

In experimental research, it refers to the group of participants who do not receive the experimental treatment, serving as a comparison to evaluate the effect of the treatment.

Cause-Effect Relationships

The principle that an action or event will produce a certain response in the form of another event.

Experiment

A scientific procedure undertaken to test a hypothesis, determine causality, or uncover specific effects under controlled conditions.