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Question

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
112 kms1
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B
22 kms1
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C
11 kms1
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D
11/2 ms1
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Solution

The correct option is C 11 kms1
The escape velocity is independent of angle of projections.
Hence changing the angle of projections doesn't affect the magnitude of escape velocity.
Hence it remains same as11kms.

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