A+car+accelerates+uniformly+from+18km/hr+to+36+km/hr+in+5+sec.calculate+the+distance+covered+by+the+car+in+5+sec.
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Explanation:
initial velocity of car,u = 18km/hr=18X5/18=5m/s
final velocity,v = 36 km/hr=36X5/18=10m/s
time take,t = 5 seconds
a=change in velocity / time
a = 10-5/5=1 m/s²
By third equation of motion
v²=u²+2as
10²=5²+2x1xs
100=25+2s
s=75/2
=37.5 m
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