
Concept explainers
(a)
Tofind:Thechange in the height of the object.
(a)

Answer to Problem 56CCR
The change in the height of the object is
Explanation of Solution
Given information:
Company N in Country C uses a 430-foot shaft to stimulate space travel. The free fall of an object in the shaft takes 5 seconds to travel 430 feet.
Calculation:
The object takes 5 seconds to travel a distance of 430 feet. The fall represents the negative value of the distance.
Therefore, thechange in the height of the object is
(b)
Tofind:Theaverage speed of the object.
(b)

Answer to Problem 56CCR
The average speed of the object is 86 feet per second.
Explanation of Solution
Given information:
Company N in Country C uses a 430-foot shaft to stimulate space travel. The free fall of an object in the shaft takes 5 seconds to travel 430 feet.
Calculation:
Write the ratio of the distance to the time to calculate the average speed.
Therefore, the average speed of the object is 86 feet per second.
Chapter 5 Solutions
Glencoe Math Accelerated, Student Edition
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