Question

Akhil travels first half of the distance at 50 m per second and second half at 75 m per second the total distance travelled is 3 km find his average speed of travel for the entire journey

Answer 1

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Answer 2

Given :

Akhil travels first half of the distance at 50 m per second and second half at 75 m per second .

Total distance travelled is 3 km .

To Find :

Average speed of travel for the entire journey .

Solution :

The average speed of travel for the entire journey :

We know , average speed is given by :

$v_{avg}=\dfrac{\text{Total distance covered }}{\text{Total time taken}}\\\\v_{avg}=\dfrac{3000}{(\dfrac{1500}{50})+(\dfrac{1500}{75})}\\\\v_{avg}=60 \ m/s$

Therefore , the average speed is 60 m/s .

Learn More :

Kinematics

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