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AP EAMCET Engineering 2015 Code A Paper

Section: Physics
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Question : 86 of 160
 
Marks: +1, -0
A force (2
⋀
i
+
⋀
j
−
⋀
k
)N acts on a body which is initially at rest. At the end of 20 sec th velocity of the body is (4
⋀
i
+2
⋀
j
−2
⋀
k
)ms−1, then the mass of the body is
Validate
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