A Stone Is Thrown with an Initial Speed of 11

question 6

Multiple Choice

A stone is thrown with an initial speed of 11.5 m/s at an angle of 50.0 above the horizontal from the top of a 30.0-m-tall building. Assume air resistance is negligible, and g = 9.8 m/s2.
-What is the speed of the rock as it hits the ground?

• A)11.5 m/s
• B)26.8 m/s
• C)24.5 m/s
• D)16.2 m/s

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Definitions:

Heart Disease

A range of conditions affecting the heart, including coronary artery disease, heart rhythm problems (arrhythmias), and many others.

ECG Stress Test

A diagnostic test examining how the heart works under stress, typically involving exercise or medication.

Ventricular Action

The activity or contractions of the ventricles, the two lower chambers of the heart, responsible for pumping blood to the body and lungs.

T Wave

A component of the heart's electrical pattern recorded during an EKG, representing the repolarization of the ventricles.