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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

10 unit

B

`7sqrt2 ` unit

C

7 unit

D

`8.5` unit

Text Solution

Verified by Experts

The correct Answer is:
C
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