Marcia Uses a Bow to Shoot an Arrow with Initial

question 89

Multiple Choice

Marcia uses a bow to shoot an arrow with initial velocity of magnitude v₀ and at an angle θ above the horizontal. When the arrow returns to the same height from which it started,

• A) the speed of the arrow is twice v₀.
• B) the speed of the arrow is 9.8 times larger than v₀.
• C) the speed of the arrow is again v₀.
• D) the speed of the arrow is v₀.
• E) the speed of the arrow is v₀/ .

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Definitions:

Cortex

The outer layer of the brain, involved in numerous high-level functions including thought, memory, perception, and language.

Rods

Cells in the eye's retina known as photoreceptors that enable vision under dim lighting conditions.

Visible Spectrum

The portion of the electromagnetic spectrum that is visible to the human eye, comprising wavelengths from approximately 380 to 750 nanometers.

Electromagnetic Wavelengths

The distance over which the wave's shape repeats, a fundamental characteristic of electromagnetic waves, including light, radio waves, and X-rays.