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30-09-2019
Physics

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A car starts from rest and accelerates to 45.0 m/s in 15 seconds, after which it travels at a constant speed for 1.0 minute, and then comes to rest in 30 seconds. Calculate the acceleration of the car during the first 15 seconds.

Respuesta :

03-10-2019

Answer:

3m/s^2

Explanation:

Plot a speed time graph to see it better

basically

acceleration = Final velocity- initial velocity/time (s)

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