Projectiles: a Catapult Is Tested by Roman Legionnaires

question 34

Multiple Choice

Projectiles: A catapult is tested by Roman legionnaires. They tabulate the results in a papyrus and 2000 years later the archaeological team reads (distances translated into modern units) : angle of landing height = launch height. What is the initial velocity of launch of the boulders if air resistance is negligible?

• A) 44 m/s
• B) 1.4 m/s
• C) 22 m/s
• D) 0.69 m/s

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Definitions:

Infants

Very young children, especially those under one year of age.

Strange Situation

Laboratory technique used to study infant attachment.

Mother

A female parent or guardian who may share a biological or adoptive bond with a child.

Stranger

An individual who is not known personally to another individual or is not familiar within a specific context or environment.