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A vector, 7 units from the origin, along...

A vector, 7 units from the origin, along the X axis, is added to vector 11 units from the origin along the Y axis. What is the resultant vector?
a) 3î + 8ĵ
b) 7î + 11ĵ
c) 11î + 7ĵ
d) 2î + 7ĵ

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The correct Answer is:
A
Since the spaceship is removed from any material object nd totly isolated from surrounding the mass oss by astronouts couldn't slip away from the space ship. So the total mss of the space ship remains uncchanged and also its velocity.
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