A Heavy Crate Containing Artworks from the National Gallery of Victoria

question 5

Multiple Choice

A heavy crate containing artworks from the National Gallery of Victoria is to be shipped to London to be part of an exhibition. The artworks are securely fastened in a cubic crate 1 m on a side. This crate is placed on top of a rubber mat in the back of a cargo plane. The rubber mat has an uncompressed thickness of 1 cm and a Young's Modulus of 100 000 N m-2. When the crate is placed on the rubber, the mat is compressed by 0.1 mm. How much elastic energy is stored in the rubber in this situation?

• A)0.025 J.
• B)0.25 J.
• C)2.5 J.
• D)25 J.
• E)250 J.

Recognize the legal and social advances made during Reconstruction that presaged future social policies.

Understand the establishment and significance of the region's first state-supported public schools during Reconstruction.

Analyze the impact and challenges of black suffrage in the South during the Reconstruction period.

Compare investment attitudes of Northern financiers towards the South and the West.

---

Definitions:

Moving Train

A dynamic system or process in motion, often used metaphorically to describe something that is progressing or evolving.

Opposite Direction

Moving or pointing away from each other in a contrasting or reverse course.

Window View

The scenery or outlook seen through a window.

Involuntary Twitch

A sudden, uncontrolled small muscle movement or contraction, often occurring without a person's conscious command.