The distance it takes a truck to stop can be modeled by the function Image description d = stopping distance in feet v = initial
velocity in miles per hour f = a constant related to friction When the truck's initial velocity on dry pavement is 40 mph, its stopping distance is 138 ft. Determine the value of f, rounded to the nearest hundredth.
2 answers:
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Answer:
Step-by-step explanation:
Given: In ΔGHI, =90°, IG = 6.8 feet, and HI = 2.6 feet
To find:
Solution:
Trigonometry defines relationship between the sides and angles of the triangle.
For any angle ,
= side opposite to
/side adjacent to
In ΔGHI,
Put
So,
Therefore,