A runner moves west with an initial velocity of 4 m/s. She accelerates 3 m/s2 for 30 seconds. The runner's final velocity is m/s.

Question

Mathematics

Claudia Estes

24 March, 07:55

A runner moves west with an initial velocity of 4 m/s. She accelerates 3 m/s2 for 30 seconds. The runner's final velocity is m/s.

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Answers (1)

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Julie Lambert · Answer 1

Answer:94m/s

Step-by-step explanation:

Using the formula:

v=u+at

Where v = final velocity (the unknown)

u = initial velocity (4m/s)

a = acceleration (3m/s)

t = time (30seconds)

v=4 + (3*30)

= 4+90

= 94m/s