A car travels from one town to the other with average speed 20 km/hr.If the first half is travelled at average speed 30 km/hr,then the average speed of the car in the other half will be?
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the average speed of car in other half will be
40km/hr
[as the acceleration is (30-20)km/hr
= 10 km/hr]
40km/hr
[as the acceleration is (30-20)km/hr
= 10 km/hr]
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