maitha42 maitha42

07-09-2019
Physics

contestada

A car is travelling along a straight road at 25 m/s. To avoid an accident, the car has to brake to a
sudden stop in 2.5 s. What is the acceleration of the car ?

Respuesta :

azanmada azanmada

07-09-2019

Answer:

-10 m/s^2

Explanation:

Acceleration = Change of velocity over time

25/2.5 = 10 m/s^2

Since we are deccelerating here (Going slower) then the number is written as negative

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