
Concept explainers
a.
To calculate: The time for which the riders are in free-fall.
a.

Answer to Problem 63STP
The time for which the riders are in free-fallis
Explanation of Solution
Given information:
The riders until they reach 30 feet above the ground remain in free fall in a ride which carries them a top of 225 foot tower.
The equation that govern above situation is
Calculation:
Consider the information riders until they reach 30 feet above the ground remain in free fall in a ride which carries them a top of 225 foot tower.
The equation that govern above situation is
Therefore, the initial height for which the riders remain in free fall is,
Substitute
Simplify it further as,
Since, time cannot be negative so,
Thus, the time for which the riders are in free-fall is
b.
To calculate: The height of the tower if riders experience the free fall for 5 seconds.
b.

Answer to Problem 63STP
The height of the tower is 430 feet.
Explanation of Solution
Given information:
The riders until they reach 30 feet above the ground remain in free fall in a ride which carries them a top of 225 foot tower.
The equation that govern above situation is
Calculation:
Consider the information riders until they reach 30 feet above the ground remain in free fall in a ride which carries them a top of 225 foot tower.
The equation that govern above situation is
Riders to experience free fall for 5 seconds before they are stopped 30 feet above ground level. substitute
Thus, the height of the tower is 430 feet.
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