Question

a plane moves with the speed of 0.275222 km/s
what is the difference between 11.2 km/s​

Answer 1

Answer:

MEarth=5.97 x 1024 kg

REarth=6378 km = 6.378 x 106 m

vescape= (2 x 6.67 x 10-11 N-m2/kg3 x 5.97 x 1024 kg / 6.378 x 106 m)0.5

vescape=1.12 x 104m/sec=11.2 km/sec

(this is equivalent to about 7 miles/sec or 25,200 miles per hour)

Answer 2

Step-by-step explanation:

Sorry I don't know the answer