How to Calculate the Shark's Initial Speed Based on Acceleration and Final Velocity

What is the formula to calculate the initial speed of the shark?

What data is needed to calculate the shark's initial speed?

Formula for Calculating Initial Speed:

The formula to calculate the initial speed of an object is: vi = vf - at.

To calculate the shark's initial speed, we need the final velocity (vf), acceleration (a), and time (t).

Calculating the initial speed of the shark involves using the kinematic equation that relates initial velocity, final velocity, acceleration, and time. In this case, the final velocity is 23 m/s, acceleration is 2.2 m/s², and the time taken to reach the final velocity is 3.2 seconds.

Calculating the Shark's Initial Speed:

Using the formula vi = vf - at,

vi = 23 m/s - (2.2 m/s² x 3.2 s)

vi = 23 m/s - 7.04 m/s

vi = 15.96 m/s

Therefore, the shark's initial speed was approximately 15.96 m/s based on its acceleration and the time taken to reach a final speed of 23 m/s.