A 25-Kg Box of Books Is Dropped on the Floor

question 26

Multiple Choice

A 25-kg box of books is dropped on the floor from a height of 1.1 m and comes to rest.What impulse did the floor exert on the box?

• A)cannot be answered without knowing how long it took the box to stop
• B)22 kg∙m/s
• C)120 kg∙m/s
• D)270 kg∙m/s
• E)540 kg∙m/s

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Definitions:

Comprehensive Claim

A claim made by Indigenous groups in Canada for large areas of land where rights have not been treated by treaty or other means.

Totem Pole

A pole or post usually carved from red cedar and painted with symbolic figures, erected by Indigenous people of the northwest coast of North America.

Thunderbird Clan

A symbolic group or totemic entity found in various Indigenous cultures, especially in North America, representing power, protection, and strength.

Crest Poles

Crest poles, more commonly referred to as totem poles, are monumental sculptures carved from trees by Indigenous peoples of the Pacific Northwest coast of North America, featuring a series of crests representing clan lineage, rights, and stories.