A train first travels for 30 min with a velocity
30 Km/hr and then for 40 min with a velocity 40km/hr in the same direction, calculate (i) the total distance travelled (ii) the average velocity of the train.
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Answer:
Explanation:
(a) s=d/t
30=d/30
d=30×30=900 (1.)
40=d/40
d=40×40=1600 (2.)
total distance = 1600+900=2500
(b) vav = (v+u)/2
=(30+40)/2
=70/2
=35km/hr
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refer to the attachment
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