A 17 Kg Model Airplane Is Flying North at 12

question 22

Multiple Choice

A 1.7 kg model airplane is flying north at 12.5 m/s initially, and 25 seconds later is observed heading 30 degrees west of north at 25 m/s. What is the magnitude of the average net force on the airplane during this time interval?

• A) 0.85 N
• B) 0.63 N
• C) 1.1 N
• D) 1.5 N

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Definitions:

Social-Class Differences

Variations in attitudes, behaviors, and opportunities based on economic status or social standing within society.

Authoritative Parenting

This style encourages children to be independent but still places limits and controls on their actions. Extensive verbal give-and-take is allowed, and parents are warm and nurturant toward the child. This style is associated with children’s social competence, achievement orientation, and self-reliance.

Permissive Parenting

A parenting style characterized by low demands with high responsiveness, where parents are generally lenient and allow considerable self-regulation.

Double Disadvantage

A situation where an individual or group faces multiple layers of marginalization, discrimination, or barriers, exacerbating their overall disadvantage in society.