The Figure Shows Two Packages That Start Sliding Down a 20°

question 61

Multiple Choice

The figure shows two packages that start sliding down a 20° ramp from rest a distance d = 6.6 m along the ramp from the bottom. Package A has a mass of 5.0 kg and a coefficient of kinetic friction 0.20 between it and the ramp. Package B has a mass of 10 kg and a coefficient of kinetic friction 0.15 between it and the ramp. How long does it take package A to reach the bottom?

• A) 2.7 s
• B) 3.0 s
• C) 3.2 s
• D) 3.5 s

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Definitions:

Film Industry

The sector of the entertainment industry that encompasses the production, distribution, and exhibition of films and movies.

First Movie Star

A term referring to the first cinematic actor or actress who gained widespread fame and recognition for their work in film.

Florence Lawrence

Florence Lawrence is considered the first movie star, having been the first film actress whose name was used to promote films in the early 20th century, thus pioneering celebrity endorsement in cinema.

Lillian Gish

An iconic American actress who starred in many silent films, often called "The First Lady of American Cinema," known for her collaborations with director D.W. Griffith.