a bus accelerate uniformly 10km/h to 20km/h in 2 secs. calculatr the acceleration of the bus .
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Answer:
Initial speed = u = 10 km/hr = 5 m/s
Final sped = v = 20 km/hr = 2 m/s
acceleration a = (v-u)/t = (10-5)/5 = 1 m/s2
Distance travelled S = u t + (1/2) a t2 = 5×5 + (1/2)×1×52 = 37.5 m
Explanation:
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Answer:v=u+at
20×5/18 m/s=5.55
10×5/18 m/s=2.77
5.55=2.77+a×2
V=final speed
U=intial speed
A=acceleration
T=time
Therefore you get as
a=1.386m/s
Explanation:
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