Question:medium
If a body of mass 1 kg falls on the earth from infinity, it attains velocity \( v \) and kinetic energy \( k \) on reaching the surface of the earth. The values of \( v \) and \( k \) respectively are _______.
If a body of mass 1 kg falls on the earth from infinity, it attains velocity \( v \) and kinetic energy \( k \) on reaching the surface of the earth. The values of \( v \) and \( k \) respectively are _______.
Updated On: Apr 10, 2026
- 11.2 km/s; \( 6.27 \times 10^7 \) J
- 11.2 km/s; \( 12.54 \times 10^7 \) J
- 8.8 km/s; \( 6.27 \times 10^7 \) J
- 8.8 km/s; \( 12.54 \times 10^7 \) J
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The Correct Option is B
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