A train takes 80min to travel from station P to Q and 40min to return from Q to P.If the distance between P to Q is 60km calculate :1)Average speed 2)Displacement 3)Average velocity of train
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Answer:
average speed = 120/120 = 1 km/min
displacement = 0
average velocity = 0
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Time = 80 mins to go
40 mins to come
Distance = 60km
average speed =120/120 mins = 2hrs
120/2= 60 km/hr
v.avg velocity = 0 km/hr
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