Answer:
5.29 m/s²
Explanation:
From the question given above, the following data were obtained:
Initial velocity (u) = 5.0 m/s
Final velocity (v) = 8.7 m/s
Time (t) = 0.70 s
Acceleration (a) =?
Acceleration is simply defined as the rate of change of velocity with time. Mathematically, it is expressed as:
a = (v – u) /t
Where:
a is the acceleration.
v is the final velocity.
u is the initial velocity.
t is the time.
Thus, with the above formula, we can obtain the acceleration of the dolphin as illustrated below:
Initial velocity (u) = 5.0 m/s
Final velocity (v) = 8.7 m/s
Time (t) = 0.70 s
Acceleration (a) =?
a = (v – u) /t
a = (8.7 – 5)/0.7
a = 3.7 / 0.7
a = 5.29 m/s²
Therefore, the dolphin's acceleration is 5.29 m/s².