The escape velocity for a body projected vertically upwards from the surface of earth is 11kms−1. If the body is projected at an angle of 450 with the vertical, the escape velocity will be:
A
11√2kms−1
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B
22kms−1
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C
11kms−1
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D
11/√2ms−1
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Solution
The correct option is C11kms−1 The escape velocity is independent of angle of projections.
Hence changing the angle of projections doesn't affect the magnitude of escape velocity.