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A runner starts from rest and attains a speed of 8.00ft/s after 2.00s. What's the runner's acceleration? (keep the answer in ft/s^2)

Respuesta :

meamajewski

Answer:

4 ft/s^2

Explanation:

If the velocity is 8ft/s after 2s then to find the acceleration you would use the formula:

[tex]\frac{v_f - v_{i} {}}{t} =a[/tex]

sooooooooo

[tex]\frac{8 ft/s - 0 ft/s }{2 s} = \frac{8 ft/s }{2 s} = 4 ft/s^{2}[/tex]

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