dylancabellon5131 dylancabellon5131
  • 14-01-2020
  • Mathematics
contestada

What constant acceleration is required to increase the speed of a car from 30 mi/h to 52 mi/h in 5 seconds? (Round your answer to two decimal places.)

Respuesta :

hondeashok12 hondeashok12
  • 14-01-2020

Answer:

[tex]a = 9.84 m/s^2[/tex]

Step-by-step explanation:

Given:

Initial speed (Vi) = 30 mi/h = 67.1 m/s

Final speed (Vf) = 52 mi/h  = 116.32

Time period(t) = 5 seconds

We know the formula of acceleration in terms of initial speed, final speed and time:

[tex]a = \frac{Vf -Vi}{t}[/tex]

[tex]a = \frac{116.32-67.10}{5}[/tex]

[tex]a = 9.84 m/s^2[/tex]

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