Jawapan

  • Pengguna Brainly
2016-02-08T21:05:48+08:00
Hala laju = 20 m s^-1
pecutan = 6 m s^-2
 Formula = 1/2 ( uv + at )
               
Jawapan = 1/2 ( 20(6) + a(25) ) 
                = 1/2 ( 120 + 25a )
             2 = 120 + 25a
         25a = 2 - 120
         25a = - 118 
             a = - 4.72 m
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saya xsuke fizik
soriii sbb salah
saya suke biology
ohhh actually i love physics and chemistry more than biology ^^
haha i love bio n chemistry more than physics