एक ताकतवर स्वस्थ व्यक्ति 11.8 मी. ऊँचे भवन से 7 मी.दूरी पर खड़ा है,वह देखता है कि ऊपरी मंजिल से एक बच्चा फिसलकर गिर गया है।बच्चे को अपनी बाँहों (ऊँचाई 1.8)झेलने के लिए उसे किस चाल(एकसमान माने)से भागना चाहिए।
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Please translate all this in English language because I am student of a English Medium school (I know Hindu but I can't reply it in Hindi
sk2631261:
A mighty healthy man stands at 7 km away from 11.8m tall buildings.He sees that a child slipped from the upper floors.His arms height is1.8m. What uniform speed should he keep to catch the child at that time?
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