Without Air Resistance,a Projectile Fired Horizontally at 8 Km/s from a Mountain

question 17

Multiple Choice

Without air resistance,a projectile fired horizontally at 8 km/s from a mountain top will

• A)accelerate downward at g as it moves horizontally.
• B)trace a curve that matches Earth's curvature.
• C)return to its starting position and repeat its falling behavior.
• D)all the above
• E)none of the above

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Definitions:

Glucosamine

A natural compound found in cartilage, often used in dietary supplements to support joint health and alleviate the symptoms of arthritis.

Cytosine

A pyrimidine base found in DNA and RNA that pairs with guanine during the nucleic acid synthesis.

Base Pairs

The pairs of nucleotides (adenine with thymine, and cytosine with guanine) in DNA that form the rungs of the double helix structure, fundamental for DNA replication and genetic information.

Catastrophism

The idea that Earth’s geological features are the result of sudden, short-lived, violent events, contrary to gradualism.