A Projectile Is Fired from Ground Level at an Angle

question 87

Multiple Choice

A projectile is fired from ground level at an angle above the horizontal on an airless planet where w
The initial x and y components of its velocity are 86.6 m/s and 50.0m/s respectively. How long after firing does it take before the projectile hits the level ground?

• A) 10.0 seconds
• B) 15.0 seconds
• C) 5.00 seconds
• D) 20.0 seconds

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Definitions:

Ascending Track

In neuroscience or anatomy, it typically refers to nerve pathways that move up from the spinal cord to the brain.

Cerebellum

A major part of the brain located at the back of the skull that is responsible for coordinating voluntary movements and maintaining balance and posture.

Skeletal Muscle Contractions

The process by which muscle fibers of the skeletal system shorten and generate force, enabling movement of the body's bones and organs.

Cerebrum

The largest part of the brain, responsible for voluntary muscular activity, vision, speech, taste, hearing, thought, and memory.