science
posted by roli .
A man moves on his bike with 54km/h and takes u tune (180 degree)and continues it speed to move with same speed .the time of utune is 10sec.find its average accleration

r = 54km/h = 54000m/3600s = 15m/s.
a = (VVo)/t = (1515)/10 = 30/10=3.0
m/s^2.
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