Question

129)If a spacecraft is to be sent to travel to outer space.it must have minimum velocity

of ………

a) 11.2 km/s b)11.6km/s c)13.2km/s d)1.4m/s​

Answer 1

Answer:

(C) 11.2 km/s is minimum velocity

Explanation:

The escape velocity from earth is 11.2 km/

s. If a body is to be projected in a direction

making an angle 450o to the vertical, then

the escape velocity is 11.2 km/s.