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

---

Definitions:

Size Of The Group

refers to the number of individuals included within a defined group or collective, which can influence group dynamics and interactions.

Emergency Situation

A critical or urgent circumstance that requires immediate action.

Presence Or Absence

A phrase indicating whether a particular factor, condition, or entity exists or is lacking in a given context.

Bystander Effect

A social psychological phenomenon in which individuals are less likely to offer help to a victim when other people are present.