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A truck requires 3 Hrs to complete a journey of 150 km, what is the average speed?(a) 50 km/hr(b) 25 km/hr(c) 15 km/hr(d) 10 km/hrI had been asked this question in class test.Question is taken from Straight Line Motion in portion Motion in a Straight Line of Physics – Class 11

Answer»

Correct option is (a) 50 km/hr

Easy EXPLANATION: Average speed is defined as TOTAL distance DIVIDED by total time. The total distance is 150 km and total time taken is 3 Hrs, therefore average speed = 150/3 = 50 km/hr.



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