An airport has runways only 145 m long. A small plane must reach a ground speed of 44 m/s before it can become airborne. What average acceleration must the plane’s engines provi…

Question

asked Mar 2, 2021 230k views

1 Answer

Pierre Clocher · Answer 1 · 2021-03-06T20:26:22+0000

Answer:

The value is
$a = 6.676 \ m/s^2$

Step-by-step explanation:

From the question we are told that

The length of the runways is
$l =145 \ m$

The required ground of a small plane is
$v = 44 \ m/s$

Generally from kinematics equation

v^2 = u^2 + 2as

Here u is the initial speed of the plane which is 0 m/s

so

44^2 = 0^2 + 2 * a* 145

=>
$a = 6.676 \ m/s^2$