The escape velocity from earth is 11.2 km per sec. If a body is to be projected in a direction making an angle 45° to the vertical, then the escape velocity is

The escape velocity from earth is 11.2 km per sec. If a body is to be

1.	The escape velocity from earth is 11.2 km per sec. If a body is to be projected in a direction making an angle 45° to the vertical, then the escape velocity is
A.	11.2 km/sec
B.	11.2 * 2 km/sec
C.	7.7 km/sec
D.	12.81 km/sec
Answer» B. 11.2 * 2 km/sec