A particle has an initial velocity (6hat...

A particle has an initial velocity `(6hati+8hatj) ms^(-1)` and an acceleration of `(0.8hati+0.6hatj)ms^(-2)`. Its speed after 10s is

`20ms^(-1)`

`7sqrt(2)ms^(-1)`

`10ms^(-1)`

`14sqrt(2)ms^(-1)`

Text Solution

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The correct Answer is:

`vecV=vecu+vecat`

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