genetnieratko10 genetnieratko10

25-01-2021
Physics

contestada

Bonus: A runner has a speed of 25 m/s. They see the finish line and speed up to 30 m/s. This happens in 5
seconds. If the runner has a mass of 75 kg, with what force did the runner cross the finish line?

Respuesta :

25-01-2021

a = (v - u) / t
a = (30 - 25) / 5
a = 5/5
a = 1m/s/s

F = ma
F = 75 x 1
F = 75N

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