Question

a=5m/s,t=2s,v=20m/s, u=? ​

Answer 1

Answer:

10m/s

Step-by-step explanation:

a=(v-u)÷t

⇒at = v-u  

⇒-u =at-v

⇒u = -(at-v)

⇒u=-at+v  

⇒u =(-5×2) + 20

⇒u= 20 - 10

⇒u=10m/s