A 90-Kg Box of Oranges Slides from Rest Down a Frictionless

question 70

Multiple Choice

A 9.0-kg box of oranges slides from rest down a frictionless incline from a height of 5.0 m. A constant frictional force, introduced at point A, brings the block to rest at point B, 19 m to the right of point A.
-What is the speed of the box just before it reaches point A?

• A)98 m/s
• B)21 m/s
• C)9.9 m/s
• D)5.7 m/s
• E)4.4 m/s

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Definitions:

Autonomy

The capacity and right of individuals to make their own choices and control their own lives, often considered essential for personal development.

Independence

The state of being free from outside control or not depending on another's authority or assistance for livelihood or decision making.

Positive Reinforcement

A principle in behavioral psychology where the introduction of a desirable stimulus following a behavior increases the likelihood of that behavior recurring.

Temper Tantrum

An emotional outburst, typically observed in young children, characterized by yelling, crying, and negative behaviors, often in response to frustration or unmet desires.