a car increases its speed from 20km/h to 50km/h in 10 seconds.what is the acceleration
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Step-by-step explanation:
v=50 km/h× 5/18=13.8 m/s
u=20 km/h× 5/18=5.5 m/s
t=10 seconds
a=?
a=v-u/t
a=13.8-5.5/10
a=0.83 m/s²
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