#78
Airplane start with initial speed

now the takeoff velocity is given as


acceelration is given as

now we have

from above equation we have


#79
Airplane start with initial speed

now the takeoff velocity is given as


acceelration is given as

now we have

from above equation we have


Well C is definitely one of the correct answers.
Answer: 100 miles per hour
Today, tubular steel tracks and polyurethane wheels allow coasters to travel over 100 miles per hour (160 km/h), while even taller, faster, and more complex roller coasters continue to be built. Hopefully i helped
Explanation:
Answer:
7
Explanation:
We are given:
w(x) = 3x - 7
w(x) = 14
The problem here entails us to solve for x;
To solve for x; equate the two expressions:
3x - 7 = 14
3x = 14 + 7
3x = 21
x = 7
So the value of x = 7