A Catapult Is Tested by Roman Legionnaires

question 7

Multiple Choice

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) : Range = 0.20 km; angle of launch = π/4; 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:

Primary Drives

Innate biological necessities like hunger and thirst that drive behavior and are essential for survival.

Motives

The internal drives that propel individuals to take action towards achieving goals.

Primary Drives

Basic physiological needs such as hunger, thirst, and sexual desire that motivate behavior.

Intensity

The measurable amount of a property, such as force, brightness, or a magnetic field.