Question

an aeroplane of mass 3.6*10*10*10*10*10kg lands with a speed of 20m/s, on a horizontal runway at time 0.the aeroplane deccelerates uniformly as it travels along the runway in a straight line until it reaches a speed of 6m/s at t=15.1 s calc the dec of aero at 15.1s

Answer 1

Answer:

195m

Explanation:

by s = ut + 1/2 at^2 ok

u = 20

t = 15

v = 6

a = (v - u ) /t

= -14/15