Answer:
d. +3m/s²
Explanation:
[tex]a = \frac{v - u}{t} [/tex]
Where v is the final velocity and u the initial velocity.
The final velocity would be 30m/s and initial velocity 0m/s
Time is 10 secs
[tex]a = \frac{30 -0 }{10 } \\ = \frac{30}{10} \\ = 3[/tex]
Therefore the acceleration is +3m/s²
