Share

## An airplane lands on the runway at a velocity of 22.7m/s. The plane accelerates at a rate of -3.3m/s2 until it comes to rest. How much time

Question

An airplane lands on the runway at a velocity of 22.7m/s. The plane accelerates at a rate of -3.3m/s2 until it comes to rest. How much time does it take the plane to stop? (round to the nearest tenth).

in progress
0

Physics
3 years
2021-07-27T12:47:19+00:00
2021-07-27T12:47:19+00:00 1 Answers
5 views
0
## Answers ( )

Answer:time = 6.9 sExplanation:velocity of the plane v = 22.7 m/s

acceleration of the train a = -3.3 m/s^2

it finally comes to res, final velocity u = 0 m/s

time t = ?

using the equation

v = u + at

substituting, we have

0 = 22.7 + (-3.3)t

0 = 22.7 – 3.3t

3.3t = 22.7

t = 22.7/3.3 =

6.9 s