Question

a car stars moving with 20m/s and its becomes 80 m/s after 6 second . calculate its accelaretion.

Answer 1

u=20m/s
v=80m/s
t=6s
a=(v-u)/t
a=60/6
a=10m/s^2

Answer 2

a=v -u/t

a=80m/s - 20m/s /6s (where v is final velocity and u is initial velocity )

a= 60m/s /6s

a=10m/s*s