Answer:
The acceleration of a ball is 5 m/s².
Explanation:
Given that,
Initial velocity = 20 m/s
Time = 2.0 sec
Final velocity = 30 m/s
We need to calculate the acceleration
Using equation of motion
[tex]v =u+at[/tex]
[tex]a =\dfrac{v-u}{t}[/tex]
Where, v = final velocity
u = initial velocity
t = time
Put the value into the formula
[tex]a =\dfrac{30-20}{2.0}[/tex]
[tex]a=5\ m/s^2[/tex]
Hence, The acceleration of a ball is 5 m/s².