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A particle has an initial velocity of 4 ...

A particle has an initial velocity of `4 hati +3 hatj` and an acceleration of `0.4 hati + 0.3 hatj`. Its speed after 10s is

A

`7 sqrt(2)`

B

7 units

C

`8.5` units

D

10 units

Text Solution

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The correct Answer is:
A
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