Question:
ഭൂമിയിൽ നിന്ന് ഒരു വസ്തുവിന്റെ പലായന പ്രവേഗം എത്ര ?
A11.2 km/sec
B13.1 km/sec
C11.4 km/sec
D10.2 km/sec
Answer:
A. 11.2 km/sec
Explanation:
The escape velocity is about 11.2 km/s, which is approximately 33 times the speed of sound (Mach 33) and several times the muzzle velocity of a rifle bullet (up to 1.7 km/s).