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vova2212 [387]
3 years ago
8

3. A sprinter leaves the starting blocks with an acceleration of 4.5 m/s2. What is the

Physics
1 answer:
UkoKoshka [18]3 years ago
5 0

Hi there! :)

\large\boxed{v_{f} = 18 m/s}

Use the following kinematic equation to solve for the final velocity:

v_{f} = v_{i} + at

In this instance, the runner started from rest, so the initial velocity is 0 m/s. We can rewrite the equation as:

v_{f} = at

Plug in the given acceleration and time:

v_{f} = 4.5 * 4 = 18 m/s

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