Physics, asked by mohitsingh5369, 9 months ago

एक कार ट्रैवल 30 किलोमीटर ऐट यूनिफार्म स्पीड ऑफ 40 किलोमीटर पर आवर इंटरनेट 30 किलोमीटर ऐट यूनिफार्म स्पीड ऑफ 20 किलोमीटर पर आवर फाइंड इट्स एवरेज स्पीड​

Answers

Answered by Inprocessacademyblog
5

Explanation:

for half distance or same distance and two different velocities

the short formula is

average \: speed = 2 \times v1  \times v2 \div v1 + v2

v1=40

v2=20

average \: speed = 2 \times 40 \times 20 \div 40 + 20 \\ average \: speed = 1600 \div 60 \\ average \: speed = 80 \div 3

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