a train accelerares uniformly 36km/h to 72km/h in 20 sec.find the distance travelled by it
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Convert all units to SI System
36km/h = 36x 5/18 m/sec
= 10ms
72 = 20m/sec
A = v-u/t = 20-10/20 = 1/2 m/sec2
S = ut+1/2at²
S = 200 + 100
S= 300m
36km/h = 36x 5/18 m/sec
= 10ms
72 = 20m/sec
A = v-u/t = 20-10/20 = 1/2 m/sec2
S = ut+1/2at²
S = 200 + 100
S= 300m
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