A Catapult Is Tested by Roman Legionnaires

question 52

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:

Conditioned Response

A learned reaction to a conditioned stimulus that occurs because of previous conditioning, as demonstrated in classical conditioning experiments.

Unconditioned Response

Natural, automatic reaction to a stimulus that occurs without any need for prior learning or conditioning.

Loud Noise

A sound that is significantly high in volume and can potentially cause hearing damage or discomfort.

Conditioned Emotional

A learned emotional response to a previously neutral stimulus through conditioning.