Question

if a sport car can go from rest to 27 m/s in 9 second,what is the magnitude of its average acceleration

Answer 1

v=u+at
27=0+a9
a=27-0/9
a=3m/s^2

Answer 2

the average acceleration of the sport car is 3 metre per second square.
$a \: = v \div t$
a =27/9
a =3 ms^-2