Pam is running in a race at 3.3 m/s and accelerates at a rate of 3 m/s for the last 15 meters. How fast is she running when she crosses the finish line?

Pam's velocity when she crosses the finish line is 10 m/s.

Explanation:

Given;

initial velocity of Pam, u = 3.3 m/s

acceleration of Pam, a = 3 m/s²

last distance covered, d = 15 m

let her final velocity = v

Apply the following kinematic equation to determine Pam's final velocity;

v² = u² + 2ad

v² = 3.3²   + 2(3)(15)

v² = 10.89   +  90

v² = 100.89

v = √100.89

v = 10 m/s

Therefore, Pam's velocity when she crosses the finish line is 10 m/s.

hope it

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