Question

Answer the following.
If v = u+at(m/s) v =20 m/s , t = 2sec, a= 5m/s2 then find the value of u(m/s).​

Answer 1

Answer:

u = 10m

Explanation:

v=u+at

u=v-at

u= 20-(5*2)m

u= 20-10m

u= 10m

Answer 2

$v = u + at \\ 20 = u + 5 \times 2 \\ 20 - 10 = u \\ u = 10 {ms}^{ - 1}$