The escape velocity from the earth’s surface is about1. 30 km/sec2. 6 km/sec3. 11.2 km/sec4. 300 km/sec 15. The radiant energy of the sun is due to

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The escape velocity from the earth’s surface is about<br>1. 30 km/sec<br>2. 6 km/sec<br>3. 11.2 km/sec<br>4. 300 km/sec 15. The radiant energy of the sun is due to