The two most important polyamides are poly(hexamethylene adipamide) (Nylon 6,6) and polycaprolactam (Nylon 6). Both have excellent mechanical properties including high tensile strength, high flexibility, good resilience, low creep and high impact strength (toughness).
The number of revolutions the wheel would make will be 37 revolutions. The correct option is B.
<h3>What is circumference?</h3>
The perimeter of the circle is called the circumference of circle.
Given is the wheel diameter CD = Dwheel = 7.45 inches and Length required to cover =144 inches.
For one revolution, distance equal to circumference is moved.
1 rev = π x Dwheel
1 rev = π x 7.45inches
1 rev = 23.393 inches.
No of revolution to travel 540 inches,
= 144/23.393
=6.1557 rev
≈ 6.15 revolutions.
Thus, the correct option is B.
Learn more about circumference.
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Answer:
Rises or lowers
Explanation:
I hope this helps if not sorry I'm not good at science