Question

A plane flying at 80 m/s is uniformly accelerated at the rate of 2.0 m/s2. What is

the distance it will travel during a 10 s interval after acceleration begins?

Answer 1

$S=ut+\frac {1} {2} at^2$

$S=(80m/s) (10s)+\frac {1} {2} (2.0m/s^2) (10s)^2$

$S=900metres.$