A car increased speed from 20km/hr to 50km/hr in 10hr .what is accleration.
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u= 20*18/5= 72m/s
v= 180m/s
time = 10*60*60= 36000
a = v-u /t
put all the values
v= 180m/s
time = 10*60*60= 36000
a = v-u /t
put all the values
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Acceleration is the change in velocity by time
a = (v-u) ÷ t
a = (50 - 20) ÷ 10
a = 30 ÷ 10
= 3 km/hr²
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