1.

If vecu = 2vec(i)-2vec(j)+3vec(k) and the final velocity is vecv = 2vec(i) - 4hat(j) + 5hat(k) and it is covered in a time of 10 sec, find the acceleration vector.

Answer»

`(3vec(i) - 2vec(J) + 2vec(k))/(10)`
`(-3vec(i) - VEC(j) + 2vec(k))/(10)`
`(-3vec(i) - 2vec(j) - 2vec(k))/(10)`
`(-vec(j) + vec(k))/(5)`

Answer :D


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