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A particle has an initial velocity of 3h...

A particle has an initial velocity of `3hat(i) + 4 hat(j)` and an acceleration of `0.4 hat(i) + 0.3 hat(j)`. Its speed after `10s ` is :

A

10 units

B

7 units

C

`7sqrt(2)` units

D

8.5 units

Text Solution

Verified by Experts

The correct Answer is:
C
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