-A Block of Mass M = 3

question 9

Multiple Choice

-A block of mass m = 3.6 kg,moving on a frictionless surface with a speed vi = 9.3 m/s,makes a perfectly elastic collision with a block of mass M at rest.After the collision,the 3.6 kg block recoils with a speed of v_f = 2.7 m/s.In the figure,the speed of the block of mass M after the collision is closest to:

• A)6.6 m/s
• B)8.0 m/s
• C)9.3 m/s
• D)10.7 m/s
• E)12.0 m/s

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Definitions:

Emotional Contagion

The occurrence in which the emotions and behaviors of one individual directly induce comparable emotions and behaviors in others.

Mimic

To mimic is to imitate or copy someone's actions, speech, or mannerisms, often for learning or adaptation purposes.

Nonverbal Behaviors

Communication without words, including body language, facial expressions, gestures, and other physical cues.

Media Richness

Media richness theory posits that the effectiveness of communication varies with the richness of the medium used, rating from face-to-face (richest) to numerical documents (least rich).