Question

An airplane accelerates from rest down a runway at 3.20 m/s2 for 32.8 seconds until it lifts off the ground. Determine the distance traveled and velocity before takeoff.

Answer 1

s=1721.344m ,v=104.96m/s.

Step-by-step explanation:

using thr equation of motion;

`s=ut+(1)/(2)at^(2)`

u=0, plane starts from rest,

`s=(1)/(2)at^(2)`

`a=3.2m/s^(2), t=32.8s \\ s=(1)/(2)*3.2*32.8^(2)`

s=1721.344m

v=u+at

v=0 +3.2*32.8

v=104.96m/s