aagamank10
aagamank10 aagamank10
  • 24-05-2021
  • Advanced Placement (AP)
contestada

A girl starts her car and accelerates uniformly to 7m/s in a distance of 14m.Calculate the acceleration of the girl and the time taken by her to travel the distance​.

Respuesta :

GiiDeem GiiDeem
  • 24-05-2021

Answer: 

u = 0  

v= 7m/s  

s=14m  

From the relation,  

v²=u²+2as  

47=0+2×a×14  

a= 2×14/27  

a=1.03703704  

time taken  

v=u+at  

7=0+1.03703704×t

 

t=6.74999764s

Hope it helps

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