A Rock Is Suspended from a Scale Reads 10

question 14

Multiple Choice

A rock is suspended from a scale reads 10.0 N. A beaker of water is raised up so the rock is totally submerged in the water. The scale now reads 6.25 N.What is the density of the rock?

• A) 2.00 times the density of water
• B) 2.33 times the density of water
• C) 2.67 times the density of water
• D) 3.00 times the density of water
• E) 2.50 times the density of water

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Definitions:

Still-face Technique

A research experiment where a caregiver maintains a neutral, unresponsive face towards an infant, observing the child's response to the lack of social engagement.

Emotional Reaction

An individual's immediate and instinctive response to a situation or event, often influenced by personal experiences and temperament.

Facial Expressions

The movements and positions of the face that convey emotional states or reactions to stimuli.

Hard-to-classify

Refers to objects, concepts, or phenomena that do not easily fit into established categories or classifications.