1.

A body starts with a velocity (2hat(i) + 3hat(j) + 11 k)m//s and moves with an acceleration (5hat(i) + 5hat(j) - 5k)m//s^(2). What is its velocity afert 0.2 sec ?

Answer»

`7hat(i) + 8hat(j) + 6k`
`2HAT(i) - 3HAT(j) + 11 k`
`3hat(i) - 4hat(j) - 10 k`
`3hat(i) + 4hat(j) + 10 k`

Answer :D


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