bethzaidamanguou2v3i bethzaidamanguou2v3i
  • 03-08-2017
  • Physics
contestada

A car traveling at speed of 24 m/s comes to stop at the red light how much time will it take for the car to stop if its acceleration is -8.0 M/S2

Respuesta :

sergibcnusa sergibcnusa
  • 03-08-2017
Use this formula:

final speed = initial speed + acceleration * time

0 = 24 - 8*t, t = 3 s! The answer is 3 seconds
Answer Link
CarliReifsteck CarliReifsteck
  • 30-09-2019

Answer:

The car take the time is 3.0 sec

Explanation:

Given that,

Speed = 24 m/s

Acceleration = -8.0 m/s²

We need to calculate the time

Using equation of motion

[tex]v = u+at[/tex]

Where, v = final velocity

u = initial velocity

a = acceleration

t = time

Put the value into the formula

[tex]0=24-8.0\times t[/tex]

[tex]t =\dfrac{24}{8.0}[/tex]

[tex]t = 3.0\ sec[/tex]

Hence, The car take the time is 3.0 sec.

Answer Link

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