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please help ! QUESTION 6

What is the acceleration of a runner who completes a 500 m sprint in 50 seconds? Initial velocity of the runner is 0 m/s and the runner is running in a straight line.

Options:

10 m/s²

0.2 m/s²

20 m/s^2

0.4m/s^2

please help QUESTION 6 What is the acceleration of a runner who completes a 500 m sprint in 50 seconds Initial velocity of the runner

Answer :

The acceleration of the runner is 0.2 m/s².

We can use the following equation to get the runner's acceleration:

Acceleration (a) = (Final Velocity - Initial Velocity) / Time

In this case, the initial velocity (u) is 0 m/s, the final velocity (v) can be calculated using the formula:

v = s / t

where t is the amount of time spent and s is the distance travelled.

The time taken (t) and the distance travelled (s) are both provided as 500 m.

Calculate the b (v):

v = 500 m / 50 s

v = 10 m/s

Plug into the formula for acceleration:

a = (10 m/s - 0 m/s) / 50 s

a = 10 m/s / 50 s

a = 0.2 m/s²

Therefore, the acceleration of the runner is 0.2 m/s².

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