valeriagarcia71 valeriagarcia71

07-11-2019
Physics

contestada

A car accelerates at a constant rate from 12 m/s to 27 m/s while it travels 125 m. How long does it take to achieve this speed?

Respuesta :

Hania12 Hania12

13-11-2019

Answer:

6.41 s

Explanation:

Under constant acceleration we know that

average velocity × time taken = displacement

[tex]s=\frac{u+v}{2}t[/tex]

[tex]125=\frac{27+12}{2}t[/tex]

t = 6.41 s

The proof of used equation is given in the attachment.

Ver imagen Hania12

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