Question

# For a satellite escape velocity is 11 km/s. If the satellite is launched at an angle of $$60^0$$ with the vertical, then escape velocity will be:

A
113 km/s
B
11 km/s
C
112 km/s
D
33 km/s

Solution

## The correct option is B 11 km/sEscape velocity isn't actually a velocity at all.It's a speed a scalar quantity.So, no direction is presumed and so it applies to any direction.Hence $$v=11km/s$$ projected velocity or otherwise.Physics

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