pls answer my question no.1
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Speed of the train in the first 30 km, v1 = 30 km/h
Speed of the train in the next 90 km, v2 (to be determined)
Average speed = 60 km/h = (v1 + v2)/2
= (30 km/h + v2)/2
⇒ v2 = 90 km/h
I think it's help U
Speed of the train in the next 90 km, v2 (to be determined)
Average speed = 60 km/h = (v1 + v2)/2
= (30 km/h + v2)/2
⇒ v2 = 90 km/h
I think it's help U
Answered by
4
HOPE IT HELPS YOU☺☺☺
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