Answer:
t = 9.38 seconds
Explanation:
Given that,
Initial speed of the airplane, u = 0 (at rest)
Final speed of the airplane, v = 77 m/s
Acceleration of the airplane, a = 8.2 m/s²
We need to find the time required for the airplane to accelerate. The formula of acceleration is given by :
[tex]a=\dfrac{v-u}{t}\\\\t=\dfrac{v-u}{a}\\\\t=\dfrac{77-0}{8.2}\\\\t=9.38\ s[/tex]
So, the time taken by the airplane is 9.38 seconds.