# Answer on Mechanics | Relativity Question for carl

Question #1410

It takes a shark 3 Seconds to accelerate at a rate of 4.3m/s2 To reach a final speed of 15.0 What was the sharks initial speed?

Expert's answer

Use the equation of the motion:

V = V0 +at

V0 = V-at = 15 - 3*4.3 = 2.1 m/s

V = V0 +at

V0 = V-at = 15 - 3*4.3 = 2.1 m/s

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