A car acquires a velocity of 72Km/hr in 10sec from rest find 1Acceleration 2velocity 3Distance travelled
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u = 0m/s, v = 20m/s, t= 10sec
1) a = (v-u)/t = 20-0/10 = 20/10 = 2m/s^2
3) D = Speed×Time = vt = 20×10 =200 m
=>D = Displacement = 200m
2) Velocity = Displacement/Time = 200/10= 20m/s
1) a = (v-u)/t = 20-0/10 = 20/10 = 2m/s^2
3) D = Speed×Time = vt = 20×10 =200 m
=>D = Displacement = 200m
2) Velocity = Displacement/Time = 200/10= 20m/s
shivaSenapati:
can you explain from where 20m/s came
we convert kilometre into metre
72km/hr = 20m/s
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