A Hot-Air Balloon Is Held at a Constant Altitude by Two

question 149

Multiple Choice

A hot-air balloon is held at a constant altitude by two ropes that are anchored to the ground. One rope is 125 feet long and makes an angle of 63° with the ground. The other rope is 115 feet long. What is the distance between the points on the ground at which the two ropes are anchored? Apply the rules regarding the use of significant digits to each angle and length after all computations are complete. ​

• A)25 ft
• B)28 ft or 85 ft
• C)25 ft or 73 ft
• D)85 ft
• E)28 ft

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Definitions:

Coenzyme

An organic non-protein compound that binds with an enzyme to catalyze a reaction, essential for the function of many enzymes.

Organic Molecule

A compound containing carbon atoms bonded to hydrogen atoms and often other elements, fundamental to the chemistry of life.

Vitamin

Organic compounds required in small amounts for essential bodily functions and must be obtained through the diet as the body cannot produce them sufficiently.

Water Molecule

A molecule consisting of two hydrogen atoms and one oxygen atom, forming the basis of all known forms of life and many solvents.