shbriaanderson2902 shbriaanderson2902
  • 14-09-2019
  • Physics
contestada

A cheetah is walking at 5.0m/s when it sees a zebra 35m away. What acceleration would be required for the cheetah to reach 25.0 m/s in that distance?

Respuesta :

aachen
aachen aachen
  • 16-09-2019

Answer:

Acceleration, [tex]a=8.57\ m/s^2[/tex]

Explanation:

Given that,

Initial speed of the Cheetah, u = 5 m/s

Distance covered, s = 35 m

Final speed of the cheetah, v = 25 m/s

We need to find the acceleration required for the cheetah to reach its final speed. The formula is as follows :

[tex]a=\dfrac{v^2-u^2}{2s}[/tex]

[tex]a=\dfrac{(25)^2-(5)^2}{2\times 35}[/tex]

[tex]a=8.57\ m/s^2[/tex]

So, the acceleration of the cheetah is [tex]8.57\ m/s^2[/tex]. Hence, this is the required solution.

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