Question

Question #91442

Answer 1

I found: `25sec`

Explanation:

The initial velocity will be zero. Acceleration is `2((km)/min)/sec` wfhile the final velocity will be `50(km)/min`;
We can use the kinematic relationship:
`v_f=v_i+at`
`50=0+2t`
`t=50/2=25sec`