You drive a car at seed of 70 km/h in a straight road for 8.4 km ,and then the car runs out of petrol. You walk for 30 min to reach a petrol pump at a distance of 2 km .The average velocity from the beginning of your drive till you reach the petrol pump is

April 2, 2022

by Ezee_Notes

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Physics Problems

Question : You drive a car at seed of 70 km/h in a straight road for 8.4 km ,and then the car runs out of petrol. You walk for 30 min to reach a petrol pump at a distance of 2 km .The average velocity from the beginning of your drive till you reach the petrol pump is

(a) 16.8 km/h

(b) 35 km/h

(d) 18.6 km/h

Answer : The Right option is (a)

Solution :

You drive a car at seed of 70 km/h in a straight road for 8.4 km ,and then the car runs out of petrol. You walk for 30 min to reach a petrol pump at a distance of 2 km .The average velocity from the beginning of your drive till you reach the petrol pump is